— I wonder ________ you’ll water this kind of flower. —Once a week. 

____the book if you are free, and you will learn a lot about how to study English .

 —Isn’t it time you _______ down to _______ your own things? —I’m sorry for the delay, Dad.

This is          a mobile phone. It can be used as a small TV, too.

“___________,” the soldiers screamed loudly, who held a gun in his hands, “or I will shoot again.”