问题

The police set about arrestingthe suspect ______ they found enough evidence to prove him guilty

A:which
B:when
C:where
D:that

正确答案是：

同类题型

To keep healthy,Professor Johnson ________ cycling as a regular form of exercise after he retired.[ ]

Our school magazine comesout twelve times a year. —- Oh, that’s a _____ magazine.

Richard _________ from his studies that gender equality is still a long way off.

对下列文学常识的解说，不恰当的一项是

_________ the flight to New York will bedelayed is _________ I’m especially worried about