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 __________