Hãy dùng từ gợi ý để viết lại mỗi câu sau sao cho nghĩa của câu không thay đổi.
1. When did they start wearing this uniform? ->How long ______?
2. “Gone with the Wind” is the name of the novel. ->They have named ______.
3. Learning English is not easy. -> It ______.
4. No one has grown maize on this farm. ->Maize ______.
5. Peter is the same age as David. ->Peter is as ______.
6. You had better not touch that switch. ->If I ______.
7. The traffic was so bad that the journey took six hours. -> It ______.
8. He was rescued from the mountain by John. ->It was ______.
9. Ms. Sandy is the teacher I admire most of all.->There ______ .
10. The food is so stale that we cannot eat it. ->The food is ______.