Bob said he was going to join our club but he didn’t. He _______ his mind.
| A．can’t have changed | B．wouldn’t have changed |
| C．must have changed | D．should have changed |
—Have you been wasting time on computer games again?—__________. I’ve been studying a lot and I need a break.
| A．No way | B．Not really | C．I don’t agree | D．I couldn’t agree more |
—I’m sorry to have kept you waiting.—__________, Bill.
| A．You’re welcome | B．Go ahead | C．Don’t mention it | D．No problem |
—We have booked a room for today and tomorrow.—__________, sir.
| A．I’m sure | B．My pleasure | C．It’s all right | D．I’ll check |
—Can you read the sign, sir? No smoking allowed in the lift!—__________.
| A．Never mind | B．Don’t mention it | C．Sure, I don’t smoke | D．Pardon me |
— “Could we put off the meeting?” she asked.— “__________. ” He answered politely. “This is the only day everyone is available. ”
| A．Not likely | B．Not exactly | C．Not nearly | D．Not really |