In my opinion,what Fei Junlong and Nie Haifen __________ good to _英语解答

In my opinion,what Fei Junlong and Nie Haifen __________ good to our country’s t
In my opinion,what Fei Junlong and Nie Haifen __________ good to our country’s international position.
A.did do does B.did does do C.does did do D.do does did

人气：332 ℃　时间：2019-10-23 02:32:10

解答

B请问原因他们做的事情　是过去的,所以第一个是did,过去式第二个do ，是强调后面的动词（do )用的，又因为句子的主语是单三，所以是does第三个就是句子原本的动词,do good to的do如果去掉第二个do，也就是不用强调句，是：In my opinion, what Fei Junlong and Nie Haifen __did does _____ good to our country’s international position.