--Have you cleaned out the refrigerator _______? ---Yes, I have done it ________. But I haven’t taken out the rubbish ________.
The boy is afraid ______ his mother because she is very strict _____ him.
—_______ she like math?—Yes, she likes it very much. She thinks it’s interesting and easy for her.
Hey, Sally! Please help your mom________ dinner this afternoon.
There are about nine_______ students in that middle school.
—Please let Jim _______ basketball with me, Uncle John!—All right.