马上注册,结交更多家长,享用更多功能,让你轻松玩转家长易社区。
您需要 登录 才可以下载或查看,没有帐号?立即注册
x
选择填空 ( )7. ________ careful! A.Be B. Being C. To be D. To ( )8. Don't _______ in the river. A. swim B. swimming C. swam D. swims ( )9. Don’t ______ in class. A. sleep B. sleeping C. sleeps D. to sleep ( )10. Those are your socks. Please ________. A. put on it B. put it on C. put on them D. put them on |