155. The teacher was a little angry because the students didn’t _____ their exercise books on time.
| A．hand out | B．hand to | C．hand in | D．hand on |
Occasions are quite rare ____ I have the time to spend a day with my kids.
| A．who | B．which | C．why | D．when |
_____ was most important to her, she told me, was her family.
| A．It | B．This | C．What | D．As |
He didn’t make ______clear when and where the meeting would be held?
| A．this | B．that | C．it | D．these |
-Is Jack on duty today?
-It ____ be him. It’s his turn tomorrow.
| A．mustn’t | B．won’t | C．can’t | D．needn’t |
The boss said we had only three days to finish the work.
Don’t worry. We have already ____? two thirds of it.
| A．got down | B．got through |
| C．given in | D．given awaywww.gkstk.com |