As we have known from the map of the world，this is ________.
| A．twice as large an island as that |
| B．twice as large as that island |
| C．as twice large as that one |
| D．twice as a large island as that |
The money collected should be made good use ______ the people who suffered a lot in the earthquake.
| A．of helping | B．of to help |
| C．to help | D．to helping |
Many people, some of ______ are not overweight at all, are always going on diets or taking weight-loss pills, _____ are often dangerous.
| A．who, that | B．whom, that |
| C．who, which | D．whom, which |
In my opinion, work provides us much ________ just salary and income; it also helps us realize our dreams and makes us feel confident.
| A．rather than | B．other than |
| C．better than | D．more than |
The teacher set such difficult problems ______ nobody could work out _____ none of us passed the test.
| A．/ ; that | B．that; as |
| C．as; that | D．as; as |
The doctor insisted that the patient_______seriously ill and that an operation_______in no time.
| A．was; be carried out | B．should be; be carried out |
| C．was; was carried out | D．should be; was carried out |