| A．down | B．now | C．how | D．know |
— Did the police ask the guard what happened?
— Yes, the guard told the police all _________ he knew.
A. which B. that C. what
—We missed a chance to win a goal.
—________!
A. Well done B. Good luck C. What a pity
The kind of cloth feels ________and sells well.
A. well B. good C. bad
You ________ worry about him. He will get well soon.
A. needn’t B. can’t C. mustn’t