The key _____ four modernizations lies _____ the science and education.
| A．to, on | B．of, on | C．to, in | D．of, in |
There was a good _____ of the countryside from the front of the bus.
| A．sight | B．view | C．scene | D．scenery |
And you find that you're not to be _____ with a position of real responsibility.
| A．offered | B．trusted | C．furnished | D．retained |
They decided to leave the waiter a big _____ because the food and service had been excellent.
| A．note | B．reward | C．tip | D．gift |
The patients believe that the doctor knows exactly how to put them _____.
| A．correct | B．perfect | C．right | D．well |
Circus tigers, although they have been tamed, can _____ attack their trainer.
| A．unexpectedly | B．deliberately |
| C．reluctantly | D．subsequently |