单复数句型转换It is a bag.Is that an eraser?What's this in English?
单复数句型转换 It is a bag. Is that an eraser? What's this in English? He isn't my friend. Are these their photos? He has a round face. Do the boys have apples? She has a knife.
They are bags. Are those erasers? What are these in English? They aren't our friends . Is this his / her photo? They have round faces. Does the boy have an apple? They have (some )knives .
1. They are (some) bags. 2. Are those (any) erasers? 3. What're these in English? 4. They aren't my friends. 5. Is this his /her photo? 6. Does the boy have an apple? 7. They have (some) knives.