David broke (break) his arm when he ______ (play) basketball last Sunday.

summersnow8 · 发表于 2008-3-13 09:09:13

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Nigal · 发表于 2009-2-27 20:23:04

太简单了，不就是WHEN后加过去式嘛

Nigal · 发表于 2009-2-27 20:27:14

He hided behind the tree while a snowball hit him

wwqdy2008 · 发表于 2010-6-28 10:23:32

hide 的过去式应该是hid吧？

clf787878 · 发表于 2010-6-28 14:12:03

呵呵，有点错误是难免的啊

clf787878 · 发表于 2010-6-28 14:13:04

确实是hid，过去分词是hidden

六月晨希 · 发表于 2012-2-28 14:13:36

played

jupiter · 发表于 2012-3-21 17:22:47

hided behind the tree while a snowball hit him

caiyuehong · 发表于 2012-6-5 10:11:45

确实是hid，过去分词是hidden

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