This is (对Sam's提问）bag.

This is (对Sam's提问）bag. This red bag is Millie's 对Millie's提问 this is daming,s bag.对划线部分进行提问 This is a bag对a bag部分提问 This is a red bag（对a red bag 提问） This is Sam's friend.划线提问friend划线 this is he bog对he bag变复数提问 This red bag is mine.对red提问 This is Tom's Bike.(对 Tom's 提问） The school bag is [Millie's]对括号内提问 This is a bag in English.对画线部分提问a bag The man （with glass） is Sam's uncle.对括号部分提问 （ ） （ ）is Sa