(初二英语题)帮我看看句子括号中我填的词对不对...(在句意、语法等方面分析)

问题描述:

(初二英语题)帮我看看句子括号中我填的词对不对...(在句意、语法等方面分析)
1、watching TV too much (is ) bad for your eyes.
2、if you feel (better),you should go to school.
3、(It’s) necessary for us (to learn)English.

正确看答句我写的对不、。。how often do you exercise?Less than three times a week.how often do you do exercise第一个do是助动词,第二个do与exercise组合表示做锻炼答句呢?答得上来么?答得正确,刚我解释的不对,你那样问也可以,exercise可以做动词,及物或不及物都可以表示运动,锻炼this article says ______(smoke)is bad for our lung。肿么做啊smoking