The professor ________at 8 o’clock，but he has not shown up yet，which worries all of us.
| A．was supposed to arrive | B．must have arrived |
| C．might have arrived | D．was supposed arriving |
.Three-fourths of the surface of the earth_________sea.
| A．is | B．are | C．were | D．has been |
Mary as well as her sisters____________Chinese in China.
| A．are studying | B．have studied | C．studies | D．study |
The weather was great and the people were friendly—_______ a perfect trip.
| A．altogether | B．somehow | C．otherwise | D．anyway |
_______ supplying news from all over the world, newspapers give us a lot of other useful information.
| A．Other than | B．Rather than | C．Except for | D．Apart from |
Premier Wen said, “I once again emphasize that it is absolutely unacceptable to sacrifice people’s life and health ________ the economic development in any case.”
| A．in the hope of | B．in return for | C．in the face of | D．in exchange for |