1. the children went there to watch the iron tower _d_.
a to erect b be erected c erecting d being erected
watch 看电视用，看比赛用; see 看电影用;
感官动词watch， see， hear; 感官动词 + 名词(代词)+ do
be erected 强调的是动作的结果; being erected 强调的是动作的过程。
2. the engine _d_ smoke and steam.
a gives up b gives in c gives away d gives off
give up 放弃; give in 屈服，让步; give off 释放，放出(烟和气体);
give away 泄露，走漏风声;婚礼中新郎的父亲把新娘的手交给新郎的过程;赠送礼品。
3. the manager promised to keep me _c_ of how our business was going on.
a to be informed b on informing c informed d informing
keep sb. + 分词; inform v. 通知，告知; inform sb. of sth. 通知某人某件事情
keep me informed 使我被告知。
4. the goals _b_ he had fought all his life no longer seemed important to him.
a after which b for which c with which d at which
fight with sb. (注意要看整个句子); fight with + 工具 用该工具来打仗。 fight for 为…而战。
i fight with him. 我和他打起来了。 i fight with him against her. 我和他并肩对付她。
5. they _c_ in spite of the extremely difficult conditions.
a carried out b carried off c carried on d carried forward
in spite of 尽管; carry on 坚持，继续。
6. i should like to rent a house， modern， comfortable and _b_ in a quiet neighborhood.
a all in all b above all c after all d over all
all in all 总而言之;above all 首先，尤其是;after all 毕竟，终究;overall 全面的，总体的
in a word 总之，in short 简而言之，in conclusion 最后，总之，to sum up总之，总而言之。
7. _b_ we have finished the course， we shall start doing more revision work.
a for now b now that c ever since d by now
now that 既然，由于(相当于since); ever since 自从…以来。
与that搭配且后面可以加句子的几个表达形式：
now that 既然，由于; in that 因为; except that 除…之外。
except后面加名词或代词;except that后面加句子。
8. what you have done is _d_ the doctor’s orders.
a attached to b responsible to c resistant to d contrary to
be attached to 连接，附属; this school is attached to beida. 这所学校附属于北大。
responsible to 对…负有责任; resistant adj. 反抗的，抵抗的; water resistant 防水的。
be contrary to 与。。相反(相违背)。
9. john regretted _a_ to the meeting last week.
a not going b not to go c not having been going d not to be going
regret doing 后悔做过某事; regret to do sth. 遗憾的做某事(应用语境非常有限)。
10. we regret to inform you that the materials you ordered are _b_.
a out of work b out of stock c out of reach d out of practice
out of work 失业; out of reach 够不着 within reach 够得着; out of practice 缺乏练习。