---Who cleaned the classroom?---Mary ________.
#41612
A
can
B
does
C
did
D
is
推荐题目
--- It’s difficult for the village children to cross the river to get to school.--- I think a bridge ________ over the river.
#39418
A
should be built
B
should build
C
was built
D
has been built
---Do you know our town?--- No, this is the first time I ________ here.
#41944
A
was
B
have been
C
came
D
am coming
