Tom brok the window yesterday 改为否定句

问题描述:

Tom brok the window yesterday 改为否定句
Kitty usually goes to the tennis club at weekends.改为一般疑问句

brok是不是应该改为 broke呢?
如果是:Tom did't break the window yesterday.
第二句:Does Kitty usually go to the tennis club at weekends?
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