1. There are two classes _____ Wednesday afternoon. (99南京)
A. at B. in C. on D. to
20. The children are waiting _______ the gate _______ their
mother.
△ 提 高 型
19. The teacher is writing ______ red ink _______ a piece of
paper.
18. It’s cold and the temperature is ________ zero during the
night.
17. Thanks ______ your help. I finished the work before dark.
16. Please meet your uncle ______ noon ______ Saturday.
15. You must learn these words _______ heart, and answer my
questions ____ English.
14. The teacher told us the moon travels ________ the earth.
13. Don’t read _______ the sun. It’s bad ________ your eyes.
12. It’s very kind _______ you to help me _______ my maths.