II) Điền từ còn thiếu trong ngoặc vào chỗ chấm ( dangerous, fast, fall, river, knife, speak, backache, cold, ) 1.Don’t climb the tree. You may _______ down 2.Mai is playing with matches. It’s very ____________ 3. Be careful with the _______. It’s very sharp 4. Don’t run down the stairs so __________ 5. We shouldn’t swim in this ________ because we may drown. 6. She got a _______. She shouldn’t wear more warm clothes 7. I have a sorethroat. I can’t ____________ 8. My grandmother usually has a __________

Các câu hỏi liên quan