At school I___wear a uniform and I ___keep my hair short.
A.can’t; have to
B.have to ;must
C.don’t have to;must
I don’t know _____ tomorrow. Can you tell me?
| A．when we started | B．when did we start |
| C．when we will start | D．when will we start |
My father didn’t go to bed ______ he washed his car last night.
| A．until | B．after | C．when | D．since |
We can’t do two things _____.
| A．all the time | B．on time | C．at times | D．at a time |
Jim’s shirt is made _____ silk , and it’s made ______ china.
| A．in, of | B．from, of | C．of , in | D．from , in |
No smoking, please. It’s ____ the rules.
| A．against | B．for | C．on | D．at |