The tiger _________ eat grass. It ___________ meat.
A. don’t , eats              B. doesn’t , eats         C. doesn’t , eat

The students can’t __________ TV.
A. watch always           B. always watches       C. always watch

These days students in some schools __________ not to use mobile phones.
A. have asked          B. will ask              C. are asked

Our teacher told us that light _____ much faster than sound.

—_____ you _____ your homework yet?
—Yes, I _____ it ten minutes ago.

—What has happened in your hometown?
— Great changes _____ in my hometown recently.

—_____ the population of the U.S.A. in 2005?
—It _____ about 296 million.
A.What is; is                           B.What was; was
C.How many is; was                  D.How many was; is

—Hi, Jane, tell you a piece of good news. I _____ America tomorrow.
—Wow, have a good trip!
A. will leave to B. am leaving for C. going leaving for

My uncle asked me ________ I ________  better or not.
A. whether , feel     B. if , feeling     C. whether ,felt

I  _________ him  for  a  long  time .
A. didn’t seen              B. haven’t seen        C. will see