Many people agree that ______ knowledge of English is a must in _______ international trade today.
| A．the, an | B．a, 不填 | C．the, the | D．不填, the |
– You look so young. Haven’t you graduated from your university ?
- Yes, I _______ in the English Department of Zhejiang Normal University for four years.
| A．was studying | B．study |
| C．had studied | D．studied |
_____ doing more exercise to lose weight, many teenagers would rather be a couch potato.
| A．Instead of | B．As a result of |
| C．In spite of | D．Regardless of |
As a famous public figure, you have a duty to _______ yourself, especially in public places.
| A．focus | B．behave | C．guide | D．Operate |
It worried her a bit _________ her hair was turning grey.
| A．while | B．that | C．if | D．For |
Nuclear ______ be really dangerous at times even though it’s a nice energy in general.
| A．shall | B．should | C．can | D．Must |