he only后加三单吗

来源：学生作业帮助网 编辑：作业帮 时间：2024/07/15 07:30:38
David__does sports.Heonly swims once a day.A.often B.always

David（C.seldom,极少）doessports.Heonlyswimsonceaday.戴维很少做运动.他每天只游一次泳.