相关试题
—Look at the sign!
—Oh, I see.We _______ waste water.
| A．can | B．must | C．mustn’t | D．needn’t |
—Didn’t you finish your homework last night?
—_______, though I wasn’t feeling well.
| A．No, I hadn’t | B．Yes, I had |
| C．No, I didn’t | D．Yes, I did |
Mrs Smith has a cute baby. It often smiles at people ________.
| A．friendly | B．lovely | C．happily | D．lively |
—Mum, can we go to the art museum tomorrow?
—Sure. But first we should find out ________.
| A．what can we do | B．where we can go |
| C．how can we go there | D．if it will be open |
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