China is embarrassed by such a fact: Chinese visitors______ rubbish on the Great Wall, followed by a foreigner picking up the litter.
#100231
A
will drop
B
would drop
C
are dropping
D
had dropped
推荐题目
---I hear you ______ abroad. ---That’s right. We’re going to live in Spain. 
#101291
A
are moving
B
have moved
C
move
D
will have moved
Mr. Smith couldn’t open the door because his naughty boy _______ it from the inside
#99271
A
would lock
B
was locking
C
has locked
D
had locked
Although there were only five athletes ____ in the race, it was a rather exciting one.
#102442
A
competing
B
having been competed
C
to compete
D
to be competed