，3分）化简：
What a big snake! It ________ one and a half metres long.
He noticed that a river of liquid rock was coming towards him. It would ________ him completely, but he managed to escape just in time.
I made a promise to myself _______ this year, my first year in high school, would be different.
Carl is studying ________ food science at college and hopes to open up ________ meat processing factory of his own one day.
My first ________ of him was thathe was a kind and thoughtful young man.
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