---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 |
_____________they visited the Science Museum, they showed great interest in everything they saw．
| A．The first time | B．For the first time |
| C．At first | D．At the first time |
It’s a long time______ they separated,but it won’t be long_____ they meet again．
| A．since; before | B．after; when |
| C．since; when | D．after; before |
—_________ anybody _________ you off?
—Yes, my sister_______ with me to the airport．
| A．Did; see; is going to go | B．Has; seen; goes |
| C．Will; see; goes | D．Is; seeing; is going |
Some languages, _________ French, Italian and Spanish, come from Latin．
| A．except | B．such as | C．for example | D．that is |
At _______ present we are going through a hard time, but I’m sure______ things will get better in the near future．
| A．the ; the | B．the ; / | C．/ ; a | D．/ ; / |