11.(2005北京) ---Where is Frank now?---He _______ his bike in the yard.A.fixes up B.fixing up C.is fixing up D.fixed这个怎么选,为什么

问题描述:

11.(2005北京) ---Where is Frank now?
---He _______ his bike in the yard.
A.fixes up B.fixing up C.is fixing up D.fixed
这个怎么选,为什么

C

C. is fixing up ------正在做。。。

选C
正在进行时.
他正在院子里修他的自行车.