They spent much time _____TV last year.A. to watch B. watched C. watching
Fresh food is good for you . But you have to ______it first because sometimes it a little dirty.
Ther will be less pollution ___more people use public transportation .
Our teacher was very happy because _____failed the examination.
-- Look! Someone ____ the icebox back to the corner.-- Well, it wasn’t me. I didn’t do it.A. has moved B. is moving C. was moving
How beautiful Catherine sings! I have never heard a ____ voice.A. good B. better C. best