Hi, Susan, are you interested in buying some used books for school? You _____ really save some money that way.
| A.need | B.can | C.must | D.should |
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 |
I’ll tell him about it_____I see him.
| A.as soon as | B.so soon as | C.while | D.as |