How long ago______playing football?
A. have you stopped
B. had you stopped
C. did you stop
D. do you stop
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It______ hard when I left my house .
A. is raining
B. rains
C. was raining
D. will rain
I think this question______to answer.
A. easy
B. is easy
C. was easy
D. will easy
Don’t talk so loudly . Your father______.
A. sleeps
B. is sleeping
C. slept
D. had slept
How many people does the doctor know who______of the disease (疾病)?
A. are dying
B. is dying
C. has died
D. dies