Science has given clear evidence ______ smoking can lead to many diseases.
| A．what | B．which | C．that | D．where |
Those who _____ in ____ compositions, please hand them in this afternoon.
| A．hasn't handed; his | B．haven't handed; their |
| C．has handed; their | D．have handed; his |
Not until the child fell asleep_______leave the room.
| A．did the mother | B．does the mother |
| C．was the mother | D．is the mother |
No sooner_______than it began to rain heavily.
| A．the game began | B．has the game begun |
| C．did the game begin | D．had the game begun |
Little did he care about his own safety,_______he was in danger himself.
| A．if | B．though | C．since | D．because |
Hardly had we got to the station_______the train left.
| A．than | B．as | C．with | D．when |