The dog ________ you if you ________ teased him.
A. had not attacked / hadn’t teased
B. would not have attacked / had not tease
C. will not attack / have not teased
D. would not have attacked / hadn’t teased
Chọn đáp án D
If they __________ a new tent, they__________ wet during the night.
If you ____________ down the volume of your stereo, the neighbours would not have complained.
If we __________ the window yesterday, it __________ so cold in here.
If the men __________ the batteries, they 999 enough power for their laptops.