题目内容
根据所给中文或英语单词的正确形式填空。
The doctors didn't know what caused the old man's ________．(blind)
________, we can find a new way to solve this problem．(hope)
In the winter of 2009, south-east England was hit by the ________ snow in 18 years．(serious)
He was good at ________ the washing machine．(repair)
Mary and Simon learnt to skate all by ________(自己)．
