Three fourths of the homework _________ today.
#102838
A
has done
B
has been done
C
have done
D
have been done
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He is a kind-hearted boy and he will come to the Old Folks' Home whenever __________.
#101753
A
he is convenient
B
he will be convenient
C
it is convenient to him
D
it will be convenient to him
Professor James will give us a lecture on the Western culture, but when and where ____ yet.
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A
hasn’t been decided
B
haven’t decided
C
isn’t being decided
D
aren’t decided
He _____ football regularly for many years when he was young.
#104032
A
was playing
B
played
C
has played
D
had played