You were working too hard. You’d better keep a ________between work and relaxation.
| A．promise | B．lead | C．balance | D．diary |
________spending our vacation in the city，why not try hiking in the courtry?
| A．Instead of | B．In favour of | C．In case of | D．In terms of |
— We should recycle everything we can．
— Absolutely．These may seem little things，but they’re not__________it comes to saving the
environment．
| A．since | B．when | C．while | D．as |
No ready technical data was ______________，but we managed to go without．
| A．believable | B．convenient | C．available | D．accessible |
Every solid object______reflect a sound，varying according to the size and nature of the object．
| A．must | B．shall | C．will | D．should |
Are you certain that this is _________in his speech?
| A．as Premier Wen stressed | B．how Premier Wen stressed |
| C．that Premier Wen has stressed | D．what Premier Wen has stressed |