题目：
根据所给单词和句子意思，写出正确的单词形式。
1. Boys and girls, Help ________(you).
2. I have many personal ________.(strong)
3. He introduces ________(h
e) to us.
4. My friends are _________(Germany).
5. I like to play ping-pong. I am one of the best ________(play) in the school.
答案：
1. yourselves 2. strengths 3. himself 4. Germans 5. players
