. No one really knows exactly when the first people arrived in_____we now know as California.
| A．that | B．which | C．what | D．where |
---Thanks for your help, but can you do me one more favor, please?
---____ , sir. What’s it then?
| A．Just a minute | B．At your service |
| C．That’s right | D．It’s my pleasure |
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 |