—What's up? You didn't pick up the phone just now.
—I'm sorry that I ________ dancing with music on, but it's done now.
| A．practised | B．was practising |
| C．am practising | D．have practiced |
相关试题
—It’s such a beautiful day． Why not have a picnic with us?
—_____． But I have a lot of homework to do．
| A．Don’t mention it | B．It’s up to you |
| C．I have no time | D．I’d love to |
—Listen! There is a knock on the door． Who _____ it be?
—It must be Jack． Just now I sent for him．
| A．shall | B．can | C．must | D．might |
—What made her so happy?
—_____ her son passed the driving test．
| A．That | B．Because | C．Since | D．When |
I would have come earlier, but I _____ that you were waiting for me．
| A．didn’t know | B．hadn’t known |
| C．haven’t known | D．wouldn’t have known |
ng caught _____ the same smile for nearly 20 minutes．相关知识点
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