选择合适的单词,并用其适当形式完成句子。 sleep asleep sleepy 1. When did you go to _____ last night? 2. My sister fell _____ when listening to music. 3. I can't go on working because I feel very _____. reply answer 4. I w rote to him many times, but he never _____ to my letters. 5. Who can _____ the teacher's question?