过去进行时专项练习
一、单项选择
1.My brother ___ while he ___ his bicycle and hurt himself.
A. fell, was riding B. fell, were riding
C. had fallen, rode D. had fallen, was riding
2. Tom ___ into the house when no one ___.
下载地址：
151925_4c5b6ccf31b5013.doc(44.5 KB, 下载次数: 11)
发表于 2016-8-21 09:13:29
