语法！是不是题目错了？

amethyst111UID: 2147702

1.Gordon Parks composed （wrote）, and directed Martin, the classical ballet （who） Examines the meaning of the life of Martin Luther King. Jr.

答案是who，当然who明显有错误，但wrote在这里做何解释啊？

2. In the nineteenth century, North American locomotives ran on hardwood fuel，Which was （inexpensive） and plentiful in the time.

inexpensive又为何错？

manmoondonkeyUID: 2160026

1.composed 和 wrote 中间应有个逗号。

amethyst111UID: 2147702

哎呀，我真猪头！确实应该是逗号的原因，呵呵，那就是下载的东东有点问题，呵呵

那第2个呢

avexUID: 159089

2.in - at
   inexpensive没错