We are going to throw a party.
A. on December
B. in Christmas eve
C. on December 25th
D. in Christmas morning
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--Which flight did you take? The flight at (9:00a.m.).
A. nine o'clock
B. nine sharp
C. nine exactly
D. all of the above
That must be a mistake.No, It __________a mistake.
A. must not be
B. needn't be
C. can't be
D. would not be
, or you ll fail the exam.
A. Studying hard
B. Study hard
C. To study hard
D. Study hardly
the road and you'll see the hospital.
A. Crossing
B. Walk cross
C. Across
D. Walk across