The bell rang and every student had to________their examination papers. [ ]

We didn’t go home _____ we finished the work

There is still a copy of the book in the library.Will you go and borrow_____—No，I’d rather buy_____in the bookstore.

en’t had a phone in the house for three weeks now, and it’s several days ____I used a phone box last time.

一May I have some junk food, Mum—I am afraid not. ________bad for your health.