—Have you cleaned the room yet？
—Yes，I _______it an hour ago.
A.clean B.has cleand C.cleaned
相关试题
—How about going hiking this weekend?
—Sorry, I prefer _____rather than _____.
| A．to stay at home, go out | B．to go out, stay at home |
| C．staying at home, go out | D．going out, stay at home. |
—Mum, I’ve got an "A" in the English examination today.
—Great! And you are sure to win a second time because this is a good_____.
| A．report | B．result | C．skill | D．start |
—Must I go to the shop with you，Mum?
—Err... I can make it myself，Mike. You go with me.
| A．mustn’t | B．shouldn’t | C．wouldn’t | D．needn’t |
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