选词填空(可变换形式,其中有两项是多余的)

【小题1】Fresh water is __________ in some countries including China.
【小题2】After staying in England for 3 years,he __________ to France.
【小题3】She stood up __________ the poor little boy,saying he shouldn't have been punished.
【小题4】The high price of the house __________ some possible buyers.
【小题5】I suggest you keep some candles at home __________ a power failure.
【小题6】To make sure that he was at home,I called him up __________
【小题7】Scientists have invented many kinds of special equipment to watch wild animals __________.
【小题8】He __________ turn on the television when he heard a knock on the door.