các bạn giúp mình với nha,hơi nhiều đấy 1. I don’t buy it because I don’t have enough money.  I would ____________________________________________________ 2. I didn’t know about the exam, so I didn’t revise old lessons.  If I ____________________________________________________ 3. He’s very short so he can’t reach the picture.  If he __________________________________________________ 4. I didn’t eat anything so I was hungry.  If I ____________________________________________________ 5. You didn’t work harder so you didn’t pass the exam.  You wouldn’t ______________________________________________ 6. I didn’t have an umbrella with me so I got wet.  I wouldn’t ______________________________________________ 7. You drink too much coffee, that’s why you can’t sleep.  If you _________________________________________________ 8. John was in prison because he stole many cars.  If ____________________________________________ 9. He doesn’t bring any money and he cannot buy the book.  If ______________________________________________________ 10. Susan got wet because she didn’t bring her raincoat.  If ______________________________________________________ 11. We didn’t know your phone number, so we could not contact you.  If ______________________________________________________ 12. I can’t attend the party this weekend because I am busy.  I could ______________________________________________________ 13. Sarah felt lonely because no one paid attention to her.  If ______________________________________________________ 14.I didn’t know her e-mail address, so I couldn’t tell you  If I ……………………………………………………………………. 15.She works in the evening. She has no time to play with her children  If she …………………………………………………………………. 16.I didn’t want them to be upset, so I’ve decided not to tell them what happened.  They …………………………………………………………….. 17.I am not tall enough to join the basketball team  If I …………………………………………………………………… 18.He didn’t see the signal so he didn’t stop his car  If he …………………………………………………………………. 19.Peter got bad marks because he didn’t prepare his lessons well  If Peter ……………………………………………………………… 20.Mary doesn’t have enough money. She can’t buy a new car.  Mary ………………………………………………………………