问题
句型转换
写出下列句子的单复数形式。
1. This is a towel.
__________________________
2. These are peas.
__________________________
3. These are onions.
__________________________
4. These are carrots.
__________________________
答案
1. These are towels.
2. This is a pea.
3. This is an onion.
4. This is a carrot.
