问题补充:
I have to walk to school today because my bike now.
A. is being repaired
Bhas been repaired
C. is repaired
D. has repaired
答案:
(答案→)A. is being repaired
B. has been repaired
C. is repaired
D. has repaired
解析:考查时态语态,句意:我今天要步行上学,因为我的自行车正在被修。说明自行车被修是今天正在被做,用现在进行时的被动。选A。