句型转换。 l. There is a push-pin. It is hold
题型：句型转换
问题：
句型转换。
l. There is a push-pin. It is holding up this piece of paper. (合并为一句)
There is a push-pin_____ _____ this piece of paper.
2. He has a factory. It has a hundred machines. (合并为一句)
He has a factory _____ a hundred machines.
3. How much is a push-pin today? (改为同义句)
What's_____ _____ _____ a push-pin today? /How much_____a push-pin _?
4. It was his big success.(改为同义句)
He was very _____.
5. In 1900,a push-pin cost $0.01. Today it costs $0.05.(合并为一句)
A push-pin is_____ _____today than in 1900.