---Listen! Who ______ in the next room? ---I think Sam is.
#41778
A
sing
B
sings
C
singing
D
is singing
推荐题目
The fishermen knew little about the island when they there.
#42792
A
arrived
B
would arrive
C
arrive
D
have arrived
--- When can I see the doctor, madam?--- Let me see. Sorry, you ___________ your turn, so you will have to wait again.
#39736
A
are missing
B
have missed
C
will miss
D
missed
My dictionary _____. I have looked for it everywhere but still____ it.
#37608
A
has lost; don’t find
B
is missing; don’t find
C
has lost; haven’t found
D
is missing; haven’t found