---Sir, I’m terribly sorry for not having handed in my homework on time, but I have been very busy all these days.
---No excuse for it, but I drop it this time.
| A．might | B．can | C．should | D．must |
相关试题
I had been puzzled over the problem for over an hour without any result, ____ all at once the solution flashed across my mind.
| A．while | B．when | C．then | D．as |
On the third floor there are two rooms, ____ is used as a meeting-room.
| A．one of them | B．the larger of which |
| C．and a larger of them | D．the largest one of which |
---Does ____ of the two foreigners work in Chengdu?
---Yes.____ of them have been working here as English teachers for three years now.
| A．any; Both | B．either; All | C．either; Both | D．both, Both |
Bill, often regarded as one of the best students in his class, ____ to be the student who cheated in the exam.
| A．came out | B．let out | C．sent out | D．turned out |
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