-May I trouble you with the question?
-Sorry, but it is______my knowledge.
| A．from | B．off | C．beyond | D．to |
that we can’t get the necessary equipment , we will have to give up the experiment.
| A．If | B．Supposed | C．Provide | D．Assuming |
_____professional development, big cities appeal to many young people ．
| A．In favour of | B．In terms of |
| C．In need of | D．In honour of |
Only when the European countries' financial system broke down _____to take measures to deal with those problems．
| A．did they decide | B．they decided | C．they had decided | D．had they decided |
He, an average citizen, always thinks of_____ he can do more for the people．
| A．how | B．why | C．what | D．which |
Children under sixteen are not permitted to participate in such kind of activities _____ bad for their mental development.
| A．as is | B．as are | C．that are | D．that they are |