Wait till you are more_____. It’s better to be sure than sorry.

______, we arrived too late to catch the plane.

—What do you think of the lecture of Li Yang s Crazy English?
—I think it's_________，but someone thinks it's much too _______.

Cartoons are very               , so I am very               in them.
A. interested, interesting     B. interesting, interested     C. interested, interested

He was very              about having a picnic.
A. excited                 B. excite                  C. exciting

The boy is                 go to school.
A. old enough       B. old enough to       C. enough old

The air in Beijing is getting much ______ now than a few years ago.

Which subject do you like______, English, maths or physics?

--- ________ do you help your mother clean the house?
--- Once a week.

I need ________ bananas to make fruit salad. Could you please buy some?