______with so much trouble, we failed to complete the task on time.
| A．Face | B．Facing | C．Faced | D．To face |
Not until all the milu deer _______ did we realize that we should build a natural park to protect them.
| A．died out | B．died of | C．died from | D．died away |
I’ll show you the store ____you may buy all ____you need.
A that; that B which; that C where ; which D in which; /
______ is known to all, working in such a place needs great determination.
| A．It | B．That | C．Which | D．As |
As rainforests are being _______, the environment pollution is becoming more and more serious.
| A．cut off | B．cut down | C．cut in | D．cut up |
Recently I bought an ancient Chinese vase, _____ was very reasonable.
| A．which price | B．the price of which | C．its price | D．the price of whose |