句型转换。 1. This is a bus. (变复数句) _________
题型:句型转换
问题:
句型转换。
1. This is a bus. (变复数句)
____________________________________________________.
2. This is a child. (变复数句)
____________________________________________________.
3. Here are three cars. (变单数句)
____________________________________________________.
4. These are many boxes. (变单数句)
____________________________________________________.