Tiêu đề Unit 1.pdf ✅

3 4. Fill in the missing letter. 5. Look and match b_ok _all bi_e b_ll 1. 2. 3. 4. Bye, Bill Hi, Bill 6. Write YES or NO. 1 This is a book. ____ 2 This is a ball. ____ 3 This is a bike. ____ 4 This is Bill. ____