----- Nội dung dịch tự động từ ảnh -----
drink this; it's poison
B. needn't
18. You
A. must
C. must
19. Nobody knows how people first came to these islands. They
South America
A. might
20. She felt ill and
A. has to
B. must
leave early.
2 When the fog lifts, we
A. could see
C. must have seen
3. The swimmer was very tired, but he
A. was able to reach
C. could reach
where we are.
C. should
Exercise 3: Chọn phương án đảng
1. The man was found unconscious at the foot of the cliff. He
A. needn't
B. must
C. should
C. had to
D. shouldn't
have sailed from
D. had
D. ought
have fallen 200 meters
D.mustn't
B. will be able to see
D. are seeing
the shore before he collapsed.
B. can reach
D. has reached