问题

ays there is so much violence happening in school campuses, _______to parents’ great concern about children’s safety at school .

A:to lead
B:leading
C:led
D:having led;

正确答案是：

同类题型

_____ the weather like today — It’s very cool.

There is _________ in today’s newspaper , we’re all _________ in it.

Don’t keep water running when you wash hands. ——-__________.

You had better________ that again.

father ______ here yesterday, he wouldhave stopped me from going surfing