—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
When the teacher came into the classroom, the students ____ in groups.
#39479
A
work
B
have worked
C
were working
D
are working
—Shall we meet at the station at 8 a.m.?—In fact, we __________. The train ________ until 10 a.m.
#39544
A
mustn’t, doesn’t leave
B
mustn’t, leaves
C
needn’t, won’t leave
D
needn’t, will leave
If your father ______ tomorrow, please tell me.
#37806
A
shall come
B
is going to come
C
is coming
D
comes
---How often ___________ the Olympics _____________? ---Every four years.
#42174
A
is, taken place
B
is, hold
C
does, hold
D
does, take place