选词填空

set about开始(着手)做某事　　set back(把表)往回拨

set an example树立榜样　　set down放下，写下，记下

set fire to放火烧着　　set off动身　　set out动身，出发，着手，开始

(1)Lei Feng ________ for us to learn from．

(2)It’s impossible to ________ the clock of history．

(3)They asked her to ________ the facts just as she remembered them．

(4)If we want to get there before dark, we’d better ________ early．

(5)That evening he ________ writing the report．

(6)I still remembered the day when the enemy came and ________ all the houses．

(7)Mr．Smith ________ to write a history of America in 1980．

(8)We’ll ________ for Shanghai some day next week．