More natural resources should be _______use of to meet the increasing need of energy.
A put B brought C taken D made
—How much do you know about the 3D film technology?
—A little. Not until _____ the hot movie Avatar______some about it.
| A．did I see; did I begin to learn |
| B．I saw; I began to learn |
| C．I saw; did I begin to learn |
| D．did I see; I began to learn |
All possible means ______. However, nothing can _____ his wife dying of lung cancer.
| A．has tried; stop | B．have tried; keep |
| C．have been tried; prevent | D．has been tried; stop |
—Some Chinese students find it hard to get used to the life in London.
—Exactly, ______ they’ve learnt a lot about the city before.
| A．if | B．now that | C．as though | D．even though |
He bought whatever caught his eye in the store _______ he often went .
| A．where | B．which | C． what | D．that |
—I'll miss you，dear.
—It ________ long before we meet again，Mom. It's only one month away from Christmas.
| A．will be | B．won't be | C．is | D．isn't |