Chuyên đề Bồi dưỡng học sinh giỏi môn Tiếng Anh 6 - Nguyễn Bá Mạnh
Ex1: Supply the correct form of the Verbs.1. This (be) my friend , Lan .2. She (be) nice ?3. They (not be) . students.4. He (be) . fine today.5. My brother (not be ) .a doctor.6. You (be) Nga ? Yes, I (be) .7. The children (be) . in their class now.8. They (be) . worker