He chose to teach in a western province, though he _______ in the city for a better life.
| A．could stay | B．would stay | C．could have stayed | D．had stayed |
We haven’t settled the problem of_______it is necessary for him to study abroad.
| A．that | B．whether | C．what | D．if |
In peace, too, the Red Cross is expected to send help to__________there is human suffering.
| A．whoever | B．however | C．whatever | D．wherever |
If you feel tired and sick of fat food, that is ______ you have to go to the hospital for medical examination.
| A．why | B．whether | C．when | D．what |
It is ____ fashion differs from country to country ____ may reflect the cultural differences.
| A．that ; what | B．the ; / | C．what ;that | D．that ; that |
——What made him so upset?
——______she failed in her examination
| A．What | B．That | C．Because | D．Whether |