句型转换。
Mary and Jack are reading books at home．(改为否定句)
Mary and Jack ________ ________ books at home．
The boys in the classroom are singing？(对划线部分提问)
________ ________ are singing．
They're studying English．(改为一般疑问句)
________ they ________ English?
He's playing basketball．(对划线部分提问)
________ he ________?
How's the weather in Sydney？(同义句转换)
________ the weather ________ in Sydney?
He's playing computer games．(对划线部分提问)
________ ________ he ________?
It'll be sunny later on．(同义句转换)
We'll have ________ ________ ________ later on．
How cold it is today．(同义句转换)
________ ________ ________ ________ it is today．
How's the weather in Beijing？(同义句转换)
________ the weather ________ in Beijing?
Shanghai will have a fine day．(改为一般疑问句)
________ Shanghai ________ a fine day?