I haven't finished my composition. I ________ for two hours and a half.
| A．have written it | B．have been writing it |
| C．wrote it | D．am writing it |
相关试题
_____ it rains tomorrow? I think we’d better take umbrellas.
| A．In case | B．If only | C．How come | D．What if |
A modern city has be
en set up in ______ was a wasteland ten years ago.
| A．where | B．which | C．that | D．what |
I _____ an old friend of mine while I was in London.
| A．came across | B．came up | C．came out | D．came about |
The well was found __________ when we got there.
| A．digging | B．to be dug |
| C．to dig | D．being dug |
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