问题描述：
1. His feet are__(big) than yours. 2. We__(see) elephants in the zoo last week. 3. The elephant is much__ (strong) than the dog.
问题解答：
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问题描述：
1. His feet are__(big) than yours. 2. We__(see) elephants in the zoo last week. 3. The elephant is much__ (strong) than the dog.
问题解答：
我来补答