23.There are ______ of books in our school library.
A.a good many B.many
C.score D.a large quantity
解析：A、B两项后接名词时都不接介词of，scores of 是正确的形式。a large quantity of 意思是“大量的”。
答案：D
22.We knew she wan’t native English ______ she began to speak.
A.once B.the moment
C.any time D.until
解析：根据本句的意思“她一开口说话我就知道她不是英国本土人”，表示“一……就……”应该用the moment。
答案：B
21.The news reporters hurried to the airport,only______ the film stars had left.
A.to tell B.to be told
C.telling D.told
解析：作结果状语时通常用动词不定式，根据句意“我结果被告知”，所以用不定式的被动式。
20.It was not until dark ______ he found ______ he thought was the correct way to solve the problem.
A.what;what B.that;that what
C.when;that what D.when;that
解析：“It was not until dark that…”为强调句结构，意思是“直到……才……”，后一个空中that引导宾语从句，what引导主语从句。
19.It is ______world of wonders,______world where anything can happen.
A.a;the B.a;a
C.the;a D./；/
解析：表示“一个或一种或某个状态下的……”，用不定冠词。
18.Of the making of good books there is no end;neither ______ any end to their influence man’s lives.
A.there is B.there are
C.is there D.are there
解析：neither位于句首时，句子部分倒装。
答案：C
17..I feel that one of my main duties ______ a teacher is to help the students to become better learners.
A.for B.by
C.as D.with
解析：介词as表示“作为”。
16.Because the shop ______,all the T-shirts are sold at half price.
A.has closed down B.closed down
C.is closing down D.had closed down
解析：根据句子的意思可以判断出是因为商店快要关门了，所以所有的T恤衫半价出售。用进行时可以表示即将发生的事。
15.Will you see to ______ that the luggage is brought back as soon as possible?
A.me B.yourself
C.it D.them
解析：本题考查介词后的宾语从句的情况。以that引导的宾语从句不能直接跟在介词的后面作宾语，但可以用it作形式宾语，把从句放在后面。
14.We had three sets of garden tools and we seemed to have no use for ______.
A.none B.either
C.any D.each
解析：该题考查全部否定。该句的意思是”我们有三套花园用具，但是看起来好像一套也没有用过”。注意either特指两者之间选择一个；用each表示部分否定。
