用括号内所给单词的适当形式填空。 1. It's interesting _____ (help) m y mother do the housework. 2. He made a kite _____ (make) his daughter happy. 3. My dream is _____ (b e) a scientist one day. 4. We went to the the atre _____ (watch) a play . 5. T here are many ways _____ (save) animals i n danger.