—Linda, together with her parents, ______up the mess in the park at the moment.—It’s meaningful to be a volunteer. Let’s join them.
#41675
A
is cleaning
B
are cleaning
C
has cleaned
D
have cleaned
推荐题目
10 years ago, _________ only one classroom building in our school. And in 10 years, _________ five classroom buildings in our school.
#40516
A
there will be, there are
B
there was, there will be
C
there will be; there was
D
there was, there are
Look at our new school. It ____ last year.
#36793
A
built
B
was built
C
is built
D
will be built