从以下备选单词中选择合适的单词,并用其恰当形式填空。每空一词 watch, seldom, help, homework, weekday 1. My brother often ______ my father clean his car. 2. After school, my brother usually _______ TV at home. 3. What time do you usually get up on _______? 4. Mary often goes to school by bike. She ______walks to school. 5. Helen always does her ______ after supper.