That tree, _______ branches are almost bare, is very old.
| A．of which | B．on which |
| C．in that | D．whose |
--Where did you put my dictionary after using it this morning?
--I put it back ______ I took it.
| A．at which | B．where | C．there | D．there where |
The discussion came to life when someone ______ an interesting topic.
| A．came up | B．thought out | C．brought up | D．brought about |
After the new technique was applied to production, the factory has produced ______ over the same period last year.
| A．many cars twice as | B．twice as many as cars |
| C．twice cars as many as | D．twice as many cars as |
-- What does the sign on the wall read?
--“ No person ______ enter it without permission.”
| A．will | B．may | C．shall | D．must |
--Excuse me, sir ______
--I’d like a beer and beef steak.
| A．what do you want? | B．may I take your order now? |
| C．this table is reserved. | D．I would like to serve you. |