问题
选择题
根据图片选择合适的单词，补全句子。
1. ____________ and ____________. 
[ ]
A. Hand, head
B. elbow, knee
2. What's this? It's a ____________. 
[ ]
A. finger
B. toe
3. This is a ____________. 
[ ]
A. knee
B. elbow
答案
1. A 2. A 3. A