Our teachers often ask us （ ） over the answers carefully before handing in our papers.
A.正确答案Cgo
B.going
C.to go
D.gone
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.
A.正确答案Cgo
B.going
C.to go
D.gone
