问题补充:
Due to the heavy rain and flooding,ten million people have been forced their homes.
A. leaving
B. to leave
C. to be left
D. being left
答案:
A. leaving
B. to leave
C. to be left
D. being left
解析:此处为force people to leave their homes的被动形式。【点拨】以下动词后跟不定式做宾语补足语:want,wish,ask,tell,order,beg,allow,permit,advise,persuade,cause,force,warn,invite,urge,encourage,prepare,remind,command等。