Miss Jones is leaving to get married and Miss White will be _______ the class.

He is very tired，so he needs some time __________ duty for relaxation and rest．

We _____ live in a small flat but last year we bought a house.

It was in the hall______ we usually have dinner______ we had a dancing party last night[ ]

learn to live in the present, ________ think somuch about the future or the past.