[Listening and Talking]
Ⅰ.单句语法填空
1．The nurses tried their best __to__calm__(calm) down the anxious patient.
2．Always have your dictionary __on__ hand when you study.
3．When you don't need water, what you should do is to turn __off__ the tap.
4．Several hours later，the little boy was rescued __with__ the aid of the police.
5．I'd like to help but it's not in my power __to__cancel__ (cancel) the order.
6．She heard the wind __whistling__ (whistle) through the trees and the howl of a distant wolf.
7．How would the disabled people escape in __an__ emergency?
