—I think I will recommend David as the chairperson of the club because he is        .—I quite agree with you. He is always willing to share his things with others.

I’ll try          who broke the window.     

— I’d like some more cheese.— Sorry, there’s _______ left.

They ________ carefully, but they didn’t ________ anything. 

Why didn’t your sister talk with me ?She is a _____girl. She is afraid of speaking before strangers(陌生人)