---The air quality is getting worse and worse.
---____！We’ve never had so severe pollution before.
| A．I wouldn’t bet on it | B．You said it |
| C．You really have me there | D．Come off it |
The Tower of London is _____ the Church tower.
| A．twice high than | B．two times as high as |
| C．twice higher as | D．three times the height of |
. I would _____ it if you come to my grandma’s birthday party and say “Hello” to her.
| A．associate | B．appreciate | C．impress | D．congratulate |
I can never forget the days _____ we worked together and the days _____ we spent together.
A. when; which B. which; when C. what; that D when; when
—Have you thought of a topic for your speech yet?
—No, I______a lot about it, but I haven’t decided.
| A．will think | B．have been thinking | C．had thought | D．was thinking |
. -------Excuse me, sir,_______________
-------I’d like a cup of coffee and two pieces of bread.
| A．what do you want? | B．may I have your order? |
| C．this table is reserved. | D．I would like to serve you. |