You ______get this book free if you can tell me the name of the writer.
| A．shall | B．should | C．must | D．need |
________, I think, and the problem could be settled．
| A．A bit more effort | B．So long as you keep up your spirits |
| C．If you doubt your efforts | D．Making great efforts |
Our world ___________ to live in without so much pollution．
| A．would be the best one | B．will be the better one |
| C．will be the best one | D．would be a far better one |
My money ______．I must go to the bank to draw some of my savings out before I’ve none in hand．
| A．has run out | B．is running out |
| C．has been run out | D．is being run out |
Advertising is different from other forms of communication _________the advertiser pays for the message to be delivered．
| A．in which | B．in order that | C．in that | D．in the way |
The question occurred to me ______ we were to get the machine needed．
| A．that | B．what | C．why | D．where |