Our teachers often ask us （ ） over the answers carefully before handing in our papers.
A、
go
B、
going
C、
to go
D、
gone
【正确答案】：C
【题目解析】：
固定语法ask sb. to do sth.，故选C。
句意：我们的老师经常要求我们交卷之前仔细检查一下答案。
Our teachers often ask us （ ） over the answers carefully before handing in our papers.
Our teachers often ask us （ ） over the answers carefully before handing in our papers.
go
going
to go
gone
固定语法ask sb. to do sth.，故选C。
句意：我们的老师经常要求我们交卷之前仔细检查一下答案。