We should spend as much time as we _______ over our lessons.
#63678
A
go
B
can to go
C
can go
D
can going
推荐题目
Unluckily, we missed the train. we    early.
#62750
A
must have set out
B
had set out
C
should have set out
D
set out
I__________through that bitter period without your generous help.     
#63620
A
couldn’t have gone
B
didn’t go
C
wouldn’t go
D
hadn’t gone
—Must I hand in my homework now, Mr.Smith?—No,you ________.
#74206
A
can’t
B
shouldn’t
C
wouldn’t
D
needn’t