Mr. Black has been teaching English in a middle school _____ he came to China.
| A．for ever | B．ever since |
| C．ever before | D．long before |
My father bought me several books, but _____ was interesting.
| A．most of them | B．none of them |
| C．none of which | D．neither of which |
He failed in the exam, ______ proves that he wasn’t working hard enough.
| A．which | B．what | C．it | D．that |
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 |