Success in life doesn’t happen ______. It’s the result of devoting your time and energy to what you’ve set out to do.
| A．by force | B．by design | C．by accident | D．by choice |
He is a man of few words, and seldom speaks until _______ to.
| A．speaking | B．spoken | C．speak | D．be spoken |
-- May I smoke here?
-- If you____, that's the smoking section over there.
| A．should | B．could | C．may | D．must |
---How do you find James Cameron's 3D version of Titanic?
---Fantastic! It can't be _______ and has brought us a wonderful experience.
| A．more impressive | B．as impressive |
| C．most impressive | D．so impressive |
It was the belief ____ Alex Haley could find his root in Africa ____made him decide to go to Zombia．
| A．/, which | B．which, that |
| C．that ,which | D．that ,that |
The boy went swimming in the deep lake，his mother's fear for his safety．
| A．but for | B．apart from | C．regardless of | D．instead of |