【易错点点睛】
易错点点睛 1 名词性从句中连接词的正确选用
1 、Mary wrote an article on __ the team had failed to win the game.
A. why B. wtat C. who D. that
【错误解答】 B或D
【错解分析】 许多考生都误以为what在本题中充当 failed的宾语，或认为空格后不缺成分，故选B或D。实际上就本题而言，不难看出句意为“玛丽写了一篇关于队伍为何在比赛中失败的文章”，所以应该选用强调原因的why。
【正确解答】 A
2 、A computer can only do __ you have instructed it to do.
A. how B. after C. what D. when
4. His ability has never been in doubt—the question is he is prepared to work hard.
A. whether B. if C. that D. where
【错误解答】 B
【错解分析】 很多同学对whether和if的用法一知半解，尽管二者都有“是否”的意思，但在主语、表
