While Ann ___ TV, her father came home.
#41786
A
is watching
B
was watching
C
watch
D
watches
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---Great changes in the past ten years in China.---I agree with you.
#39783
A
took place
B
have taken place
C
were taking place
D
had taken place
—Peter said that he would come over to have dinner with you tonight.—But I think he . I have been alone for an hour.
#37850
A
didn't
B
won't
C
hasn't
D
doesn't
—Mrs White, why are you standing here?—I’m waiting for my son. He ___________ back from school.
#37306
A
didn’t come
B
won’t come
C
hasn’t come
D
hadn’t come