It will be hard for us to get up in the morning if we________to bed too late.
The accident happened________a cold winter early morning.
—What time do you usually go to school?—I usually go to school________six o’clock.A.inB.atC.on
________do you usually go to bed?
—Do you like apples________bananas?—I like apples.
My brother likes playing________baskctball and I am good at playing________piano.