Câu hỏi: Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.
You ____________ the locksmith to open the door for you last night before you tried to open it yourself.
A. have had to call
B. ought to have called
C. had better call
D. must call
You ____________ the locksmith to open the door for you last night before you tried to open it yourself.
A. have had to call
B. ought to have called
C. had better call
D. must call
Kỹ năng: Ngữ pháp
Giải thích:
ought to have done = should have done: đã nên làm gì mà mình không làm trong quá khứ.
Giải thích:
ought to have done = should have done: đã nên làm gì mà mình không làm trong quá khứ.
Đáp án B.