56.〔误〕The sun sets toward the west.
〔正〕The sun sets in the west.
〔析〕towards也可用作toward，它主要表达朝向某方向运动，但不一定到达，如：He ran toward(s) the mountain.而在表示方位east, west, north, south 时，其前面要用in。要注意的是这4个词可以用作副词，如：I went south. 也可用作名词，如：I went to the south.也可用作形容词，如：I went to the south part of China.
57.〔误〕Can I write the exam paper with ink?
〔正〕Can I write the exam paper with a pen?
〔正〕Can I write the exam paper in ink?
〔析〕with后要加拿得起来放得下的工具，而墨水、颜料等原料则要用in。
58.〔误〕I’m earlier today. I came here by his car.
〔正〕I’m earlier today. I came here in his car.
〔析〕在交通工具前加介词by，但不能再有任何指示代词或冠词，否则要改换相应的介词。by taxi=in a taxi
by train=in a train by bicycle=on a bicycle by ship=on a ship
59.〔误〕A lot of French wines are made of grape.
〔正〕A lot of French wines are made from grape.
〔析〕made of 是指由原材料到成品过程中原材料未发生质地的变化，而发生了某种变化则要用from,如：The desk was made of hard wood.
60.〔误〕This is a good dictionary in English grammar.
〔正〕This is a good dictionary on English grammar.
〔析〕关于某方面的书籍、报告等有两个介词，其中on表示某专业用书，about则为某方面的普通读物，如：This is a book about physics.即物理科普知识。