I hope there are enough glasses for each guest to have ______.
| A．it | B．those | C．then | D．one |
Work hard _____ you can succeed.
| A．in order to | B．so that | C．for fear that | D．in case |
All plants need air_____ they need water.
| A．like | B．as if | C．as | D．so |
_____ he wasn’t ready in time, we went without him.
| A．Since | B．As | C．For | D．Because of |
Sit _____ you like.
| A．where | B．at the place | C．as | D．wherever |
I had hardly sat down_____ the telephone rang
| A．than | B．when | C．as | D．after |