— Has        called the police?— Yes, Jim has.

—What are you two whispering about over there?—Oh, ________. Just small talk.

I’m afraid I have to go out now.If        phones, tell         I’ll be back later.

One of the students hasn’t prepared _____ lessons very well.

The company gave away 300 dictionaries to the students at the beginning of the term, and _____500 the next term.