短文改错（共10小题；每小题1分，满分10分）
An Australian farmer found the kangaroo caught 51．the→a
in the fence around his farms. He thought the poor 52．farms→farm
animal was injured, but the kind farmer took off his 53．but→so
jacket and put on the animal. Then he started trying 54．put ∧on it
to cut the fence to free the animal. But as soon as 55．√
the kangaroo were free, it jumped up and ran away 56．were→was
with the jacket. The farmer was worried because of his 57．去掉of
wallet was in the pocket. But, to my surprise, when 58．my→his
he gets home, he saw the animal waiting at the door, 59．gets→got
sill wore his jacket with the wallet in the pocket. 60．wore→wear
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解析：
【小题1】本句泛指第一次提及这只袋鼠，表示泛指。
【小题2】farm农场，这里指这个农民的一个农场。
【小题3】上下文是因果关系，他认为袋鼠受伤了，所以脱下衣服给袋鼠披上。
【小题4】it指代his jacket. put the jacket on the animal.把衣服披在袋鼠身上。
【小题5】√
【小题6】只有一只袋鼠，故使用单数形式。
【小题7】后面是一个完整的句子，所以使用because表示原因，because of后面接名词或者名词短语。
【小题8】根据上下文可知让这位农夫惊讶的是，his指这位农夫。
【小题9】本句讲述的是过去的一个故事，使用一般过去时。
【小题10】本句是see sb do sth看见某人做某事。do使用动词原形。