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1. It is not easy when you speak to a native English speaker.
2. Fossil fuels should not be used as they cause the destruction of our natural resources.
3. We should not take a bath because a bath uses twice as much water as a shower.
4. We'll have to stop wasting electricity or use no fuels.
5. Due to the accurate predictions of the scientists, thousands of people were saved.
II/ Put the verbs in the brackets in to the correct form V/ TO V/ V-ing
1. I'm afraid Mr Pitt isn't in. Would you like (speak) to speak to his secretary'
2. I call Nhi but she pretended not to hear and went on(do)doing her work
3. My mother loves(cook) cooking
4. Dang,stop(talk) talking! The class is noisy just because of you
5. I am do the exercises carefully to avoid(make) making mistakes
6. I prefer(play) playing chess to going to the theater
7. Do you mind(move) to move your chair a bit side?
8. Have you finished(work) worked on yout project?
9. Do you enjoy(listen) listening to Pop music?
10.Quang has always hated(do) doing his homework
11. My brother spent hours.repairing....(repair) his motorbiker.
12. Don't forget to bring my dictionary when you .....come.....(come) back tomorrow.
13. You....will feel.....(feel) cold if the sun ....doesn't shine......(not shine) .
14. I'm tired after that long walk. I'm not used to....walking......(walk) so far.
15. Bill never carries money with him. He's afraid of ....robbing......(rob)
16. It is easy (be) to be wise after the event.
17. Do you (wish) wish (make)made a complaint?
18.We don't (want)want anybody (know)know that we are here.
19.If you can't (remember) remember his number you'd better (look)look it up.
20. I want her (learn)to learn Esperanto; I think everybody ought to (knowknow ) it?21. Visitors are asked (not feed)not to feed the animals.
III/ Combine these sentences with who , whom , which.
1. I thanked the woman. She helped me.
=> I thanked the woman who help me
2. She is the most intelligent woman. I’ve ever met this woman.
=> She is the most intelligent woman who I've ever met
3. The doctor is famous. You visited him yesterday.
=> The doctor is famous who you visited yesterday
4. Do you know the music? It is being played on the radio.
=> Do you know the music which is being played on the radio
5. These children are orphans. She is taking care of these children.
=> These children are orphans who she is taking care of
1 You would like to ask Nancy where she bought her coat.
.....Where do you buy your coat, Nancy?..........
2 You want to ask Susan if Amy can swim.
.......Can Amy swim, Susan?........
3 You want to ask Simon which band he likes best.
........Which band does he like best, Susan?........
4 On the phone you want to know who you are speaking to.
..........Who is this?.........
5 You need to know how much video recorders cost.
.....How much does video recorders cost?...........
6 You are asking permission to come in.
...May I come in?.............
7 You need to find out how long the journey takes.
....How long does the journey take ?......
8 You want to ask Adrian what he locked the door for.
.........What do you lock the door for, Adrian?............
9 You want to ask what happens next.
......What will happen next?.......
10 You want to suggest that you all go out together.
....How about going out together?.....
3. You want to know if Mark has been to Los Angeles. Ask Sarah.
________Has Mark been to Los Angeles? ____________________________________________________________________________
4. You would like to ask Nancy where she bought her coat.
_________Where did you buy this car? ___________________________________________________________________________
5. You want to know if Laura plays tennis. Ask Trevor.
________Does Laura play tennis? ____________________________________________________________________________
6. You want to ask Matthew if you can borrow his squash racket.
______________Can I borrow your squash racket ?______________________________________________________________________
7. On the phone you want to know who you are speaking to.
_______Who are you speaking to ?_____________________________________________________________________________
8. You need to know how much video recorders cost.
________How much do video recorders cost?____________________________________________________________________________
9. You want to ask Adrian what he locked the door for.
_________What did you lock the door for?___________________________________________________________________________
10. You need to know if David will be at the club tonight. Ask him.
_______Will you be at the club tonight _____________________________________________________________________________