Think about / think of / think over “想”法不同
[ 高手出招 ] 1. Don't it any more .
2. I can't his address.
3. We'll your suggestion （建议） and give you our answer tomorrow.
[ 一语击破 ] think about 和 think of 表示“考虑”、“对……有某种看法”时，可以互换。
如：
They are thinking about / of buying a new computer .
注意：当 think of 表示以下意义的时候，一般不可和 think about 互换：
（ 1 ）想要；打算。如：
Mary ， are you thinking of marrying Jack ？
（ 2 ）想出；想到。如：
I can't think of his name at the moment .
（ 3 ）关心，想着。如：
Lei Feng was always thinking of others but never thinking of himself .
think about 表示“回想过去的事件”、“考虑某计划是否切实可行”时，一般不和 think of 换用。如：
I often thought about what the teacher said last time I saw her .
think over 意为“仔细考虑”。如：
I'd like to think it over .
（Keys ： 1.think of / about 2 . think of 3 . think over ）
in / on / to “方位”不同
[ 高手出招 ] 1. Japan is east of Asia .
2 . Tai Wan is the east of Fujian Province .
3 . China faces the Pacific the east .
[ 一语击破 ] 这三个介词都可以表示方位， in 表示“在其中”，即“在境界内”；而 to 表示彼此境界不相接，即“在境界外”； on 则表示“与境界相接”。
（Keys ： 1. in 2. to 3. on ）
arrive / get go / reach “到达”不同
[ 高手出招 ] 1. The plane five minutes ago .
2. A group of American children Shanghai yesterday morning .
3. We home late last night .
[ 一语击破 ] arrive 为不及物动词，后接介词 in 或 at 后才可接宾语， in 后接洲、国家、城地区等大地方，而 at 后接车站、影剧院、村庄、农场等小场所。 reach 为及物动词，直接跟宾语。 get to 常用在口语中，后接地点。另外， arrive ，reach ，get 都可直接跟 home， here， there 这三个副词连用。
（ Keys ： 1. arrived 2. arrived in /got to /reached 3. arrived / reached / get ）