He’s got himself into a dangerous situation _____he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |
Cheer up! It won’t be ______ we can meet again.
| A．before long | B．long before | C．after long | D．long after |
They stood there and ______ each other as if they were going to fight.
| A．spied on | B．stared at | C．glared at | D．looked into |
The president did much for world peace. That was ______ he was awarded the Nobel Peace Prize.
| A．when | B．what | C．because | D．why |
―Are you disappointed with the result of the experiment?
―No. ______, I’m pleased with it.
| A．On the contrary | B．As a result | C．What’s more | D．On the one hand |
―Did you listen to Barbara’s speech?
―Yes, I have never heard a ______ one.
| A．good | B．better | C．best | D．well |