单选题 Questions 147-149 refer to the following letter.
Dear Mr. Ridge,
It was good of you (147) such kind of Joint Operation and I deeply appreciate it.
However, I feel that I must check a few things out for mutual benefits. The communications technical staffs are evaluating them at this time. I am mapping out plans now (148) and I will let you know what the results will be.
Please let me know (149) the primary technical contact will be in your side.
Thank you again for your proposal.
Yours very truly,
Paul Lee, Marketing Director

单选题 A. offering
B. offered
C. offers
D. to offer
【正确答案】 D
【答案解析】初级问题 看到句首的it了吗?如果主语是it。就要考虑是不是形式主语。这里是it…to do/that的形式，正确答案是D选项。形式主语句不用A选项那样的动名词，而B选项是形容词，后面没有被修饰的名词；C是谓语动词，也是不合适的。
单选题 A. me
B. myself
C. you
D. yourself
【正确答案】 B
【答案解析】高级问题 I am mapping out plans是一个“S+V+O”形式的完整句子。-self可以接在及物动词和介词的后面(反身代词的用法)，当句子结构完整时也可以表示强调(加强语气的用法)。当用作反身代词时，它必须与“动作的主体”保持一致。
单选题 A. that
B. what
C. who
D. whose
【正确答案】 C
【答案解析】超高级问题 空格后面的will be没有接表语，是不完整的，因此不能用that；没有名词，也不能用whose；在what和who之中，应该选择表示人的who。
[高频词语] by way of 通过……的方法 accounting firm 会计公司 be zoned 被分区的