选择单词,补全短文。(18分)hot China winter people old eastShanghai is the biggest city in (1)______.It's in the (2)______ of China. It's got a lot of (3)______.It's an (4)______ city. It's very (5)______ in summer and it's cold in (6)______.
Hi, Bobby!(改为同义句) ______, Bobby!
This is a ruler.(改为一般疑问句) _______ _______ a ruler?
She is Su Hai.(改为一般疑问句) _______ she ______?
What’s this?(改为复数句) _______ are ______?
He’s my brother.(划线部分提问) _______ ______ he?