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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----I’m afraid the meeting has begun.  ----Don’t worry. It _________ until the bell _________.
#37273
A
doesn’t begin; rings
B
won’t begin; will ring
C
won’t begin; rings
D
doesn’t begin; will ring
Sam came to Baihai in 2002. He __________ here for nine years.
#42228
A
lives
B
was living
C
has lived
D
will live
What ____________ at nine o’clock last Sunday morning.? 
#40551
A
was you doing
B
were you doing
C
are they doing
D
do you do