Tom is always making so many mistakes in hisEnglish exercises! — Yeah. If he ________ more careful, he________ fewer mistakes.

d the accident happen in ____ summer— Yes, I remember it happened in ____summer of .

下列句子没有使动用法的一项是（ ）

to heavy traffic jams, many people would like to choose the train ______ driving.

Word came ________ Chang’eⅡ was Launched successfully and carried out the task as expected. [ ]