1.Jane is 12,Maria is 12,too.(同义句替换）
Jane is the(same)age(as)Maria.
2.Does he speak English?(做否定回答）
（No）,they(doesn't).
3.The girl comes from (Cuba).(对划线部分提问）
(Where)(does)the girl come from?
4.Mike has some good friends here.(便否定句）
Mike(doesn't)have(any)good friends here.
5.This English book is hers.(变同义句）
This is(her)English book.