All passengers are required to show their_.
A. tickets
B. ticket
C. ticketes
D. ticketion
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I don't doubt _he will come on time.
A. that
B. their
C. what
D. where
You should avoid being late for _class.
A. your
B. you
C. yourth
D. his
The students is perparing the room for a party.
A. 对
B. 错
Nursing is a very worthwhile curesy.
A. 对
B. 错