1. 用方框中所给短语的适当形式填空。

be able to, on business, text message, make sure, look after

1. （1） The guide did her best to that everyone enjoyed the tour.
3. （2） —Betty, do you often receive from strangers?

   —Yes, I do.

5. （3） Mr Smith is not at home. He is away and will be back next month.
7. （4） I didn't have much money. So I pay for the watch.
9. （5） —I will have to go to the airport to meet a friend this afternoon.

   —Don't worry, I'll help you your baby.