单词拼写,根据句子意思,填入一个正确的单词。 1. What kind of s__________ do you want to become a inventor? 2. How you're going to i__________ yourself this year. 3. I w__________ if he will come here tomorrow. 4. The young r__________ out and jumped into the water to save the boy. 5. He is f__________ my broken pen.