题目内容：

1、按照汉语填空 the girl is very ——（慢）and her sister is much—— （慢）
2、用所给词的适当形式填空the pens are mnch ————（expensive）3、the bus does not————（cost）so much 选择4、the trip ————them too much A、is not cost B、do not cost C、does not cost D、not cost

优质解答

1 slow,slower
2 more expensive
3 cost
4 C
cost是实义动词,三单costs变否定时要变成：does not cost

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