I’m sorry to keep you _______ for almost two hours.
A. wait B. to wait C. waiting D. waited
He looks very pale. He may have _______ fever.
A. an B.a C.the D. /
When the traffic lights are red, we _______ stop.
A. should B. might C. must D. may
—Oh, you have a headache and a cough. __________ have you been like this?
— Two days.
A .How long B. How often C. How old D. How many
Would you mind _________ the piano softly ?
A. to play B. playing C. played D. play
The boy has a stomachache .He shouldn’t eat______.
A. something B.anything C. nothing D. everything
