选择合适的疑问词填写在相应的横线上,注意大小写。 How old, which, whose, how, what 1.—______ tall is Yao Ming? —He’s 2.26 metres. 2.—______ is the elephant. —It’s about sixty years old. 3.—______ size are your shoes, Amy? —Size 8. 4.—______ schoolbag are heavier, Mike’s or yours? —Mike’s, I think. 5.—______ season do you like best? —Spring.