13. The brown cat is as ______ as the black cat.
A .fat B. fatter C. thinner
How do you go to school every day?
A. take a bus B. by bus C. drive a car
There _______ many black clouds then.
A. is B. WasC. Were
They were hungry because they ________ have lunch.
A. aren’t B. don’t C. didn’t
It was time ________ play games.
A. to B. for C. on
Don’t shout ________ your friend.
A. to B. atC. on