The bus will leave at ____ this afternoon.
A. three fifteen
B. three and fifteen
C. three quarters
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Mary, what's this ____ Chinese?
A. in
B. with
C. on
Last week, I went to school ______.
A. by the bus
B. by bus
C. on the foot
There was no airline _____ the two cities in the old days.
A. among
B. between
C. in
What time did Mrs. King come back?---____ nine o'clock yesterday morning.
A. On
B. In
C. At