It is an abundance of cheap goods and quick delivery service ______ account for the fact that the number of Internet shopping on this website is four times ______ it was last year.

Five players can a basketball team while a football team eleven players. [ ]

Why doyou suggest we buy a new machine—Because the old one has been damaged ______

______, we didn’t know each other, but now we are good friends.

The books in the library should ____ good care of.