用所给词的适当形式填空。 1. He worked hard and has ________ (great) improved his English. 2. My mother always ________ (courage) me to study hard. 3. We all think Nie Haisheng and FeiYunlong are both ________ (hero). 4. Lei Feng's ________ (die) upset everybody. 5. Ba Jin was a great ________ (write). |