She owns a lot of books, most of _____ are written in English.
| A．them | B．which | C．what | D．that |
________ is no possibility ________Bob can win first prize in the contest.
| A．There; that |
| B．It; that |
| C．There; whether |
| D．It; whether |
I have no idea ________ he will come back.
| A．where |
| B．when |
| C．what |
| D．which |
The rescue team made every ________ to find the missing mountain climber.
| A．force |
| B．energy |
| C．effort |
| D．possibility |
We are faced with a problem ________ we don’t have enough natural resources.
| A．which |
| B．what |
| C．that |
| D．whose |
The doctor are trying to reduce the patient’s fear ________ he would die of the disease.
| A．which |
| B．when |
| C．that |
| D．if |