Listen! Someone ______ in the next room.
#39897
A
sing
B
singing
C
is singing
D
are singing
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I don’t know when my son           back, but when he           back, I’ll call you.
#36254
A
comes;comes
B
will come;will come
C
comes;will come
D
will come;comes
Xiao Li _________ his hometown for ten years.
#42434
A
has left
B
1eft
C
has been away from
D
went away from