The Dragon Tower，from ________ top visitors can enjoy a good ________ of Harbin，attracts hundreds of tourists every day.
| A．which；sight | B．whose；view | C．its；view | D．where；sight |
.
I have many friends, _______ some are businessmen.
| A．of them | B．from which | C．of who | D．of whom |
.
The car has been well maintained and is ________ excellent condition.
| A．in | B．under | C．on | D．with |
.
— Why was Professor Johnson unhappy those days?
— Can’t you see it clearly? The only reason was that the theory he stuck to________ wrong.
| A．proving | B．being proved | C．proved | D．was proved |
.
You can see the stars on a clear night ,but in the daytime they are____
| A．unavoidable | B．invisible | C．inaccessible | D．unavailable |
.
______and ______,they ran out of room.
| A．Being excited;happily | B．Exciting;happy |
| C．Exciting;happily | D．Excited; happy |