—Where is Mike?  —He’s _______ the pool.
#40102
A
swim at
B
is swimming at
C
swimming at
D
swim
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Sally took a photo of her friends while they _________ computer games.
#39111
A
play
B
are playing
C
have played
D
were playing
Don’t worry. The plane ______ at 8 a.m. There is still time left.
#38123
A
arrive
B
will arrives
C
arrived
D
arrives
We        in the same school for three years.
#42044
A
were studying
B
have studied
C
will study
D
study
Jenny will visit me if he ____________ here. 
#42400
A
comes
B
has come
C
came
D
will come