I phoned you last night. Why didn’t you answer— Sorry. I ______ TV at that time and didn’t hear it.

I’d like to book a room for tonight.— Sorry, sir, but we don’t have any room _____ at the moment. [ ]

A study ________ in the U.S.

Sarah’s sister likes________ very much.Look! She is picking some on the farm.

What do you think of teaching, Bob?– I find it fun and challenging. It is a job ________ you are doing something serious but interesting.