这题选哪个,请详细说明以下原因~ In my opinion,all Mr.White_____good to his students in his class at pressent,He is very strict in their study. A.does does does B.does do do C.does does do D.did do does
C 第1个does是在主语从句中作谓语动词:all Mr.White does 由于后面有at present,表示这里是一般现在时,因此对应地用does而不是did 第2个does是谓语助动词,用在这里表示强调.如果省略也是可以的,则表示不强调. 第3个do与后面的good形成短语:do good to sb.意思是对某人带来好处. 全句意思为:按我的观点,目前怀特先生所做的一切的确对他班里的学生们有好处.