Compare(比较) the speeches made by the students from different schools，and you will find Frank’s is .—-Sure. That’s why we recommend him as our monitor.

Carl wanted to play a joke on Bob but gave himself _____ by laughing

______ do you think ____ the environment (环境) in Yichun—It’s pretty good.

The two girls are so alike thatstrangers find ____ difficult to tell one from the other

o you think I should receive the reporter—___ you feel about him, try to be polite.