It’s four o’clock in the afternoon. The boys __ in the pool.
#41532
A
is swiming
B
are swiming
C
are swimming
D
is swimming
推荐题目
The building will ________ 2 months later.
#39506
A
is finished
B
to be finished
C
be finished
D
was finished
Thank you for ________ the class trip.       
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A
organize
B
to organize
C
organizing
D
to organizing