Alice is very helpful. I saw her ________ the old clean their houses when I passed by the other day.
A.help | B.helps | C.helped | D.helping |
更新时间:2018-07-23 12:46:18
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【推荐1】—Where is David, do you know?
—I saw him with our teacher when I passed the playground just now.
—I saw him with our teacher when I passed the playground just now.
A.talked | B.talk | C.talking | D.to talk |
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【推荐2】I heard him _________ the piano in the next room at 10:00 last night.
A.played | B.to play | C.playing | D.plays |
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