The frozen waterfall has attracted floods of tourists to_______ the natural beauty.
| A．cherish | B．admire |
| C．observe | D．discover |
John thinks it won’t be long ________ he is ready for his new job.
| A．when | B．after | C．before | D．since |
It was from only a few supplies in the nearby village ______ the hostess cooked such a nice dinner.
| A．where | B．that | C．when | D．which |
--- I hear a number of workers in the factory ______ out of work.
--- Yes, and the number _______ quite huge.
| A．are; is | B．is; are | C．is; is | D．are; are |
The army officer _______ his men to fire as soon as the enemies came up.
| A．requested | B．commanded | C．begged | D．suggested |
The old pianist wouldn’t listen to our repeated request that he _______ in public again.
| A．played | B．play | C．would | D．was going to play |