同义句转换。
1. An elephant is stronger than a horse.
A horse is_____ _____ _____ _____ an elephant.
2. Tom is very strong. He can lift the heavy box.
Tom is _____ _____ _____ _____ the heavy box.
3. I was so amazed that I couldn't say a word.
I was _____ amazed _____ say a word.
4. Kate works harder than me.
I _____ work _____ _____ _____ Kate.
5. I have about thirty books. Mary has about fifty books.
Mary has _____ books _____ me.
