The zoo keeper is worried because the number of visitors ______ smaller and smaller .
#39433
A
is becoming
B
become
C
became
D
to become
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—How many times ________ Li Yan ________ to the Great Wall?—Twice.
#38217
A
has; been
B
is; going
C
has; gone
D
does; go
31. It’s two weeks since we _______ the work in Beijing Ren’ai Education Institute .
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A
finish
B
have finished
C
finished
D
has finished
What ________when we were in the barber shop?
#37349
A
happened
B
was happened
C
happening
D
would happen