句型转换。
1. We went to the library yesterday. (改为否定句)
We______ ______ to the library yesterday,
2. I'd like three hamburgers. (对画线部分提问)
______ ______ hamburgers would you like?
3. David is tall and thin. (对画线部分提问)
What does David ______ ______?
4. It's time to have breakfast. (改为同义句)
It's time ______ ______.
5. The man has long hair. Do you know him?(合并成一句)
Do you know the man ______ ______ hair?
