________ it was late, the students were still studying in the classroom.
| A．Although | B．But |
| C．As long as | D．Because |
— Must we finish our homework today?
— No, you ________.
A．can’t B．mustn’t C．don’t have to
Don’t worry. We still have _______ time to catch the train.
A. a little B. a few C. little
There is going to ______ a parents’ meeting this evening. My father will take part in it.
A. have B. has C. be
You’d better _______ too much meat. You are too fat.
A．not eat B．not to eat C．eat
He wasn’t _______ with the knife, and cut himself.
A．careful enough B．enough careful C．enough carefully