I know little about the accident because not much ______ about it up to now.
| A．has said | B．has been said | C．had said | D．had been said |
The government should consider ________ people and the environment will be affected before they make decisions.
| A．whether | B．which |
| C．where | D．what |
________ is often the case with old people, my grandfather is fond of doing morning exercise.
| A．As | B．Which |
| C．What | D．It |
It hasn't been made clear ________ the new underground line is to be open to traffic.
| A．when | B．that |
| C．what | D．where |
What impresses me most is ________ he appears in front of others, he wears a sincere and charming smile.
| A．what | B．which |
| C．that where | D．that whenever |
It is announced that big prizes will go to ________ finishes the assignment on time.
| A．whom | B．who |
| C．whomever | D．whoever |