( )17、—_____I speak to Jill, Mrs. Black?
—Sorry, she’s not in. She ___ be back after five.
A. May, need B. Can, may C. Can, dare D. Must, may
( )18、Don’t leave the classroom until the teacher ___ you.
A. letting B. will let C. lets D. let
( )19、Lily did badly in math and she felt very___.
A. Sorry B. interested C. nice D. pleased
( )20、Tom has grown ____ enough to take care of himself.
A. tall B. old C. young D. short