Kitty spends a lot of time after-school activities, but Linda spends little time ____it.

You can depend on___on Sunday. Which is wrong?

Do you like this movie?— Yes, I do! In fact I’ve never seen a ________ one than this.

.“There is a great potential for the development of Sino-U.S. trade, ______ is in line with the interests of the two countries and their people,” Wu said

Everyone should play a part in _____the earth.