We ___________ for a long time. Shall we play for a while?
#38820
A
study
B
Studied
C
have studied
D
are studying
推荐题目
My aunt left her office after she __________ her work. 
#37970
A
had finished
B
finishes
C
has finished
D
was finished
The food on the plate          bad. Throw it away.
#37528
A
is smelt terrible
B
is smelt terribly
C
smells terribly
D
smells terrible
Don’t make any noise. The pandas        over there. 
#39700
A
are sleeping
B
have slept
C
will sleep
D
were sleeping
It’s 8 o’clock in the evening. Tom ______ TV.
#39662
A
watch
B
watches
C
watching
D
is watching