The zoo keeper is worried because the number of visitors ______ smaller and smaller .
#39433
A
is becoming
B
become
C
became
D
to become
推荐题目
---How long ______ you ______  the bicycle?     ---About two weeks.
#39179
A
have, had
B
have, bought
C
did, buy
D
have, get
I will stay at home and read some books if it _________ tomorrow.
#39778
A
rain
B
will rain
C
rains
D
is going to rain
Do you know what__________ before you __________?
#38432
A
was happened; came
B
is happening; come
C
had happened; came
D
happened; had come
I’m in No.5 Middle School, but my brother ______.
#37739
A
is
B
isn’t
C
does
D
doesn’t