90. It is said that a ship was wrecked on the .
| A．coast | B．coastline | C．seashore | D．Beach |
—Jenny took the 8:00 bus to Shanghai this morning.
—Really? She ______ the 9:00 train. It's much more comfortable and safer to travel by train.
| A．could have taken | B．should take |
| C．must have taken | D．can take |
Hi, sir. Some students want to see you. ______ they wait here or outside?
| A．Will | B．Shall |
| C．May | D．Can |
You can't imagine what difficulty we had ______ home in the snowstorm.
| A．walked | B．walk |
| C．to walk | D．walking |
—Will there be a shower tomorrow?
—There ______ be. Let me make a phone call to find out.
| A．must | B．would |
| C．will | D．might |
—Keep your voice down. Otherwise, Tommy will hear what you say.
— ______ ？ I don't care.
| A．How come | B．What for |
| C．So what | D．Who knows |