I think this question______to answer.
A. easy
B. is easy
C. was easy
D. will easy
查看答案
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
I______my homework now.
A. finish
B. finished
C. have finished
D. had finished
He______for three years.
A. has joined
B. has been in the army
C. joined
D. has served the army
微信支付 
支付宝支付