问题描述：
1.they will fly to Washington(where) they plan to stay for 2 or three days.括号里用where（关系副词）,而不是which等关系代词.是因为主语、宾语都不缺.在本句里,washington是主语?to stay for 2 or3years
2.he never watches him in thestreet.不是说never（否定词）后面跟原形吗?怎么watch还加es,比如：he dosen't play football
2.he never watches him in thestreet.不是说never（否定词）后面跟原形吗?怎么watch还加es,比如：he dosen't play football
问题解答：
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