Train services are usually ________ and run regularly every day.
| A．reliable | B．reasonable | C．flexible | D．comfortable |
There are many wonderful theme parks in America, _ _ Disneyland in California is my favorite.
| A．for which | B．with which |
| C．of which | D．in which |
Bears ______ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
| A．pack up | B．build up |
| C．bring up | D．take up |
The _______ on his face told me that he wasn’t satisfied with my answer.
| A．impression | B．sight |
| C．appearance | D．expression |
— I worked till 4：00 a. m. to prepare a report for my boss.
— ________ you look very tired.
| A．No doubt | B．No hurry |
| C．No wonder | D．No need |
Mary felt ______ from the outside world, since she lacked an internet connection and couldn’t receive any e-mail.
| A．cut down | B．cut in |
| C．cut off | D．cut out |