很高兴能够在这里回答你的问题,
正确答案应该是：
They want the ( big )ball 括号提问
Which ball do they want?
It ‘s( windy) on thursday.括号提问
What's the weather like on Thursday?
或
How's the weather on Thursday?
Where are you doing your homework?回答问题
I am doing my homework at home.
我正在家做作业.
What day is it today 回答问题
It's Wednesday.
今天周三