Sales of CDs have greatly increased since the early 1990s, when people_____ to enjoy the advantages of this new technology.
| A．begin | B．began | C．have begun | D．had begun |
The girl got herself into a serious situation ______ she was likely to lose control over the bike.
| A．when | B．where | C．which | D．who |
The old lady, ______ had been killed in the war, was given help by the local government.
| A．all her children | B．all of her children |
| C．all of whose children | D．whose all children |
There are hundreds of islands ______ the coast Fujian, the biggest of ______ is not far from the main land.
| A．on; which | B．off; them |
| C．off; which | D．on; them |
It was in the lab _____ was taken charge of by Professor Zhang ______ they did the experiment .
| A．where; that | B．which; where |
| C．that; where | D．which; that |
There was ______ time ______ I hated to go to school .
| A．a; that | B．a; when |
| C．the; that | D．the ; when |