So far, the moon ________ by man already.
#38542
A
is visited
B
will be visited
C
has been visited
D
was visited
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We’ll go camping if it ________ tomorrow.
#37930
A
won’t rain
B
doesn’t rain
C
didn’t rain
D
isn’t raining
—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
---Is that Jack speaking? ---Sorry, he _______ in. He _______ back in half an hour.
#41814
A
isn’t; will be
B
wasn’t; will
C
isn’t; is
D
wasn’t; was
---What were you doing at this time last night? --- I _________ a phone call.
#41514
A
made
B
will make
C
has made
D
was making
The world _____ . Things never stay the same.
#38620
A
changes
B
is changing
C
was changing
D
will change