—I am wondering if we could go boating on the weekend.
—It a good idea.
A. sound B. sounded C. sounding D. sounds
Service was included in the bill, so you ______ the waiter. It was a waste of money.
A. will not tip B. may not tip C. needn’t have tipped D. must not tip
Harry has been reading all day —he ______ be tired.
A. should B. has got to C. has to D. must
Our teacher demanded our report ________ before five.
A. must be handed in B. be handed in
C. should hand in D. need be handed in
---Catherine, I have cleaned the room for you.
---Thanks. You_____ it. I could manage it myself.
A. needn’t do B. needn’t have done C. mustn’t do D. shouldn’t have done
—Where is my cell phone? I can find it nowhere.
—You it stolen while on the bus.
A. must have B. should have had
C. may have had D. can have