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1. Did you hear the bomb ....go...off(go)?
2. Claire said that she wouldn't ...to see.....him again(see).
3. It's important for students..to improve......their pronunciation(improve).
4. It's very cloudy. I think it might....rain...this afternoon(rain).
5. Let me....carry..your bag for you(carry).
6. Ha Vy went out...to play...soccer with his friends(play).
7. Hot weather makes me ...feel....tired(feel).
8. I saw him ...walk..with anyther girl in the park(walk).
9. I want him ....to clean up.....this mess immediately(clean up).
10. I reminded M.U. little brother not....to go..too close to the edge( go).

She was picked up to go camping with her classmates by her parents
Everyone is supposed to collect the litters in public areas.
The roof are going to be repaired

1. Incorrect : to be => be
2. Correct
3. Correct
4. Correct
5. Correct
6. Correct
7. Incorrect : may => bỏ đi

1 If you....find.......(find) a skeleton in the cellar, don't mention it to anyone.
2 If you pass your examination, we....will have........(have) a celebration.
3 What ...will happen.......(happen) if I press this button? 4 I should have voted for her if I .......had..... (have) a vote then. 5 If you go to Paris, where ...will.... you ....stay....(stay)? 6 If someone offered to buy you one of those rings, which ..........would.. you .....choose....... (choose)? 7 The flight may be cancelled if the fog ....gets... (get) thick. 8 If the milkman ..comes........... (come), tell him to leave two pints. 9 Someone ....will sit...... (sit) on your glasses if you leave them there. 10 You would play better bridge if you ..didn't talk........ (not talk) so much.
1/. Visitors must leave umbrellas and sticks in the cloakroom.
A cloakroom is used to keep visitos' umbrellas and sticks.
2/. Women can obtain great achievements this year.
Big achievements can be obtained by women this year.
3/. Someone may call off the picnic if it rains.
If it rains, the picnic may be posponed.
4/. Someone will fix our air conditioner before the hot weather comes.
We will have someone fix our air conditioner before the hot weather comes.
5/. You must keep medicine out of the reach of children.
Medicine must be kept out of the reach of children.
6/. I have never done a more difficult exercise than this before.
This is the most difficult exercise I have ever done.
7/. I'm sure it isn't necessary to show your passport.
You need not showing your passport.
8/. Smoking is not permitted in the museum.
You must not smoke in the museum.
9/. You are not allowed to park in here. It's against the rules.
You must not park in here.
10/. It is possible that she leave for the airport to see her younger brother. (modal verb)
She can leave for the airport to see her younger brother.
11/. English is more popular than any other foreign languege in the world
English is the most popular language in the world.

I. 1. Making a wrong ___decision____ is better than making no ___decision__ at all. (decide)
2. I hope our ______friendship________ will last throughout life. (friend)
3. Unfortunately, they lack the resources to _______modernize____________ the country. (modern)
4. Stop smoking and you'll see a __continuous____ improvement. (continue)
II. 1. I'm too poor to help you.
-> I wish ____I didn't help you _____.
2. I asked her if she had finished her test the week before.
-> "Did you ______finish your test last week_____?" I asked her.
3. We will be late if we don't take a taxi.
-> Unless ___we take a taxi, we will be late____.
I think I will give Sahra a call to see if she wants to go out.