I think these students should do ______ part in keeping the class-room clean.
#35756
A
my
B
her
C
their
D
our
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—The old man is ill. He ________ to the hospital at once.  --Don’t worry. A doctor _________to come already.
#39195
A
must be sent , has asked
B
must send, have asked
C
must be sent, has been asked
D
must send, have been asked