选词补全对话。 How, OK, Who, will, Where, What, How much, How old, Thank, think 1. A: ____________ was your trip? B: It was wonderful. 2. A: Here you are. B: ____________ you. 3. A: Let's play the guitar together. B: ____________. 4. A: ____________ will go to Dalian with you? B: My parents. 5. A: Will you visit a friend next Friday? B: Yes, I ____________. 6. A: ____________ is your friend from? B: He is from Canada. 7. A: This comic book looks more interesting. B: I don't ____________ so. 8. A: ____________ do we need to make a sandwich? B: You need flour, butter and sugar. 9. A: ____________ ____________ is he? B: He is seven years old. 10. A: ____________ ____________ is this book? B: It's twenty yuan.