We have two ears and one mouth so that we can listen ________we speak.
| A．twice as much as | B．as twice much as |
| C．as much as twice | D．as much twice as |
The music in the movie ___________very beautiful.
A.listens B. sounds C. looks
Riding bicycles makes us ___________.
A. to keep healthy B. keep health C. keep fit
One of the cyclists _______ from America.
A. is B. are C. come
They will visit the Great Wall if it _________ tomorrow.
A. isn’t rain B. doesn’t rain C. won’t rain
Maria ____________ so fast as Jane.
A. run B. not run C. doesn’t run