Doctor Wang at seven o’clock for the conference, but she didn’t turn up.
| A．should have arrived | B．should arrive |
| C．should be arrived | D．should be arriving |
Being able to afford ______ drink would be ______ comfort in those tough times.
| A．the the | B．a a | C．a / | D．/ a |
——May I put my luggage on the seat beside you, sir?——____.
| A．Sure, with pleasure | B．Okay, please yourself |
| C．Well, never mind | D．Yes, help yourself |
There was something wrong with the network, or the e-mail____ earlier.
| A．could have been sent | B．might be sent |
| C．need have been sent | D．must be sent |
I’d rather have a room of my own, however small it is, than _____one with others.
| A．share | B．sharing | C．to have shared | D．to share |
_______ she was invited to the ball made her very happy.
| A．Whether | B．Because | C．What | D．That |