---Please say “ I’m here ”when your name _____ ,will you ?--- Yes, Mr Hu.
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