________ needs further discussion whether we'll build a laboratory or not.
| A．The matter | B．He |
| C．It | D．We |
Receiving the report that the plane crashed, the government took measures ______. .
| A．at no time | B．in no time | C．at a time | D．of all time |
We’ll have to work extra hours, for there are still some problems ____________ ．
| A．remaining to settle | B．remained settling |
| C．remaining to be settled | D．remained to be settled |
---Let me help you cross the street.
--- ________ ! I’m not that old.
| A．Take your time | B．No way | C．Come on | D．Go ahead |
They have held several meetings to _____ next year's production plans.
| A．set down | B．make out | C．work up | D．draw up |
Once new difficulties _________ in your work, it’s always important to use your brains．
| A．raise | B．arise | C．arouse | D．rise |