isdoing的精选

WhenJim’smothercamein,he　　　　　hishomework. A. isdoing ...

2019-07-16

问题详情：WhenJim’smothercamein,hehishomework. A. isdoing B. hasdone C. wasdoing【回答】C知识点：动词和动词短语题型：选择题...