1. She is lazy, so she can't pass the exam.
-> If it ..................................................................................................................................................
2. He smokes too much; that's why he can't get rid of his cough.
--> If .......................................................................................................................................................
3. Olga and Ivan weren't paying attention, so they didn't see the sign marking their exit from the highway.
--> If .......................................................................................................................................................
4. We put off our trip because the weather was terrible.
--> But for ..............................................................................................................................................
5. Sally doesn't know what she has to do for homework because she was absent from school on Friday.
-> If ......................................................................................................................................................
6. Martin failed his driving test last week because he was very nervous.
--> But for...................................................................................................................................
7. His father is sad now because he failed the examination again.
--> If he …………………………………………………………………..…………………………..
8. They had a terrible accident because they were too careless.
--> But for ……………….…………………………………………………………………………...
9. We could accuse him of having stolen our car because we had evidence.
--> Without …………………………………………………………………………….............….
10. I don’t know many people. I am lonely.
--> Were …………………………………………………………………………………………..
11. I hope it will rain soon. Otherwise, we will lack of water.
--> If it ……………………………………………………………………………………………...
12. She can't be employed because she doesn't have a college degree.
--> Were …………………………………………………..……………………………………….
13. Because of the attractive salary, I didn’t give up the job
--> Had it………………………………………………….………………………………………….
14. The heavy rain prevented us from getting there.
--> Without ……………………………………………..…………………………………………...
15. Fortunately, she arrived in time to save the boy.
--> If she ……………………………………….…………………………………………….......….
16. You had better have this car serviced .
--> If I …………………………………………………………………………………………….....
17. Give me the money or I will kill her.
--> Should …………………………………………………………………….………………………
1. She can't ride a motorbike because she is still young,
-She isn’t....young enough to ride a motorbike ...
2. The weather is too cold for us to go swimming.
-The weather isn't ...warm enough for us to go swimming.....
3. This exercise is too difficult for me to do.
-This exercise isn't easy enough for me to do
4. I am very lucky because I have many good friends.
-I am lucky ..enough to have many good friends..
5. The bag isn't light enough for the boy to carry.
-The bag is ..... is too heavy for the boy carry...
6. The gate is too high for me to reach.
→I am not ...high enough to reach the gate...
7. The book was so interesting that I read it twice.
-The book was ..not boring enough for me to read twice....
9. The garden is too small for us to play football in.
-The garden is...not big enough to play football in....,
10. He was so tired that he fell asleep before the end of the film.
-He was too...tired to stay awake before the end of the film...
11. The children couldn't go swimming because the sea was very rough.
→The sea was too .. rough for the children to go swimming.....
13. The film is not interesting enough for us to see.
-The film is too...boring for us to see...
14. Lan lives next to my house.
→Lan is..my next-door neighbor..
15. You can't put this book in your pocket because it is too big.
→This book isn't ...small enough to put in your pocket...
16. They spent two years building this house.
-It ...took them two years to build this house..
17. It takes me two hours to do my homework every day.
-I...spend two hours doing my homework everyday..
18. We have quite different characters.
-Our characters ... are quite different...
19. My friend's hair is long, curly and black.
-My friend has ..long black curly hair....
20, What a lovely smile you have !
→How lovely your smile is