题目内容
Miss Brown ________ at the conference, but she didn’t show up until now.
- A.should have appeared
- B.should arrive
- C.should have had arrived
- D.should be arriving
A
表示过去本应该做而未做的事应用should have done。
表示过去本应该做而未做的事应用should have done。
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The students busily when Miss Brown went to get the book she in the office.
A.were writing; left | B.wrote; had left |
C.had written; left | D.were writing; had left |