问题
选择题
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
B.
此处为force people to leave their homes的被动形式。
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。