1. 用方框内所给词的适当形式完成下列句子（有一项多余）

main   especial   take   stay    play    understand

1. （1） They agreed the train to go there.
3. （2） My father planned in Beijing for two days.
5. （3） The boys decided basketball after school.
7. （4） The passage tells us how Americans get advice.
9. （5） Zhao Lei what you said just now. Don't worry.