（help） each other at school is a way to improve our friendship.

答案：Helping

I do well in math, but I am not good at physics or c　 　.

答案：chemistry

memorize A. conversation B. discover C. prounciation

patient A. aloud B. active C. native

grammar A. card B. garden C. popular

chemistry A. choose B. school C. church

aloud A. mouse B. double C. young

My p　 　 is very poor, I want to improve it by listening to tapes.

答案：pronunciation

We will 　 　 (probable) leave for Beijing tomorrow.

答案：probably

I am afraid you are too young 　 　 (go) there alone.

答案：to go