1. 用方框中所给单词的适当形式填空

fast, do, communicate, try， move, build, visit, take

1. （1） The mother has found a good way with her son.
3. （2） You should keep and never give up.
5. （3） They went to the mountains instead of the museum yesterday.
7. （4） Please remind your grandpa medicine on time.
9. （5） The teachers were so that they couldn't stop crying when they saw their students again.
11. （6） Taking a plane is much than driving a car.
13. （7） You mustn't make the boy so much homework in such a short time.
15. （8） It's impossible to finish the stone bridge in two months.