Bài Làm:
Đề bài
Bài tập 2: Chọn đáp án phù hợp
1. ____ Mary study hard, she will pass the exam
a. If b. Should
c. Were d. Had
2. _____they ber, they could lift the table
a. If b. Should
c. Were d. Had
3. _____Mary studied hard, she would have passed the exam
a. If b. Should
c. Were d. Had
Đáp án
1. B
2. C
3. D