____ great pictures! Who painted them?
Don’t________too late at night.
—Which would you prefer,orange juice or coffee?—Either________ OK,but I prefer coffee________milk.
—________fine day!Shall we go for a walk?—That sounds great!
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