---Where is Mother
---She is in the kitchen. She _____the housework all morning.
| A．is doing | B．was doing | C．has done | D．has been doing |
相关试题
—I don’t think the headmaster knows who did it.
—Well, surprisingly she does. A boy _____ in her office now.
| A．has been questioned |
| B．is being questioned |
| C．is questioning |
| D．has questioned |
代替，而不是________________________
好像有……________________________
开水________________________
去……旅行________________________
用instead或instead of填空If you are busy, you may come another day _____.
Last year I went to Japan. _____, this year I am going to Hong Kong.
If you have no time, I’ll go _____ you.
I’ll go there on foot _____ by bus.
If I hadn’t got a headache, I’d be working _____ lying here in bed.
I walked slowly through the market, where people _____ all kinds of fruits and vegetables. I studied the prices carefully and bought what I needed.
| A．sell |
| B．were selling |
| C．had sold |
| D．have sold |
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