. ----Oh my God! The guests will be here soon!
----______. I am sure that the room will be cleaned up in a minute.
| A．My pleasure | B．Take it easy. | C．Help yourself. | D．Not at all. |
Every possible means ________ to prevent the air pollution , but the sky is still not clear.
| A．is used | B．are used | C．has been used | D．have been used |
Some people thought ________ possible to live on out space in the future .
| A．it | B．it be | C．it is | D．that is |
_____his poor health ,he was still at work late into the night.
| A． Despite | B．Besides | C． Apart from | D．In spite |
I don’t think that rock music is terrible , ______?
| A．do I | B．don’t I | C．is it | D．isn’t it |
So little _____ with each other that the neighboring countries could not settle their differences.
A. they agreed B agreed they C. did they agree D. they did agree