1. I don't buy it because I don't have enough money.

(A) If I have enough money, I will buy it.

B. If I don't have enough money, I may buy it.

C. If I have enough money, will I buy it?

D. I will buy it even I don't have enough money.

2. He's very thin, that's why he feels the cold so much.

A. He feels cold as he is not thin enough

 B. If he is not thin, he will not feel the cold so much.

C. If he feels cold, he will be thin.

D. If he is thin, he will not feel cold.

3. If you don't like this one, I'll bring you another.

(Unless = If ... not) A. If you like this one, I will bring you

B. Unless you don't like this one, I will bring you another.

C. Unless you like this one, I'll bring you another

 D. Unless you like this one, you will bring me another.

4. I'll only help you if you promise to try harder.

A. Unless you promise to try harder, I will not help you.

B. If you don't try hardet, I promise to help you.

C. You promise to help me if I try harder.

D. Unless I promise to help you, I will try harder. hân

5. If she doesn't work harder, she'll lose her job.

A. Unless she works harder, she won't lose her job.

B. Unless she does not work harder, she may lose her job.

C. She will lose her job although she is lazy. 

D. She will not |lose her job if she works harder.

~ Xin hay nhất ~

@Nhím

$1$. A. If I have enough money, I will buy it.

$2$. B. If he is not thin, he will not feel the cold so much.

$3$. C. Unless you like this one, I'll bring you another

$4$. A. Unless you promise to try harder, I will not help you

$5$. D. She will not |lose her job if she works harder