按要求改写句子。
1.His sister is 13 years old. (对画线部分提问)
_________ _________ is his sister?
2.My brother read a book last Sunday. (对画线部分提问)
_________ _________ your brother _________ last Sunday?
3.Zhang Peng is playing football.(用last weekend 改写句子)
Zhang Peng _________ _________ last weekend.
4.My mother had a cold yesterday. (改为一般疑问句)
_________ _________ mother _________ a cold yesterday?