A.I'm a China. | B.I'm from China. | C.This is China. |
A.Where are you from? | B.Where are you? | C.How are you? |
A.How are you? | B.Nice to meet you. | C.Welcome back! |
A./; / | B.the; / | C./; the |
A.Welcome! | B.Thanks! | C.Let's go! |
A.book | B.back | C.black |
A.Where | B.Who | C.How many |
A.This is my friend. | B.He’s a student. |