Ⅰ.词汇万花筒 。（15分）
A.根据句意和首字母，填写所缺单词。（5分）
1.He is a v_______, and he often treats some animals.
2. His father is able. He can s_____ this problem by himself.
3. His grandfather can’t walk and has to sit in a w______.
4. I love dogs because they never c______ and they’re grateful.
5. He is my best friend. We all t_____ in him.
