It is said that in Australia, there is more land than the government knows ____________.
| A．how to do with it | B．what to do with |
| C．what to do with it | D．how to do with |
Lin Yi isn’t what it used to be．The last decade ______ great changes in the city images．
| A．witnessed | B．was witnessed | C．has witnessed | D．had witnessed |
—Tom, you are caught late for the third time．
—Oh, __________．
| A．not at all | B．just my luck | C．never mind | D．that’s all right |
It was on July 1, 2006 ___ Qinghai-Tibet railway began operation, ____ is a symbolic project in China’s West Development Strategy．
| A．when; that | B．that; when | C．which; when | D．that; which |
It can’t be a（n） _______ that four jewelry stores were robbed in one night．
| A．accident | B．incident | C．chance | D．coincidence |
Now that the forest was destroyed by a big fire, a large ________of trees ______ to be planted on the mountain．
| A．number; has | B．quantity; has | C．amount; have | D．sum; have |