第二部分 英语知识运用（共两节, 满分45分）
第一节 单项填空（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
21. Referring to reading, we must have the patience to read ______ book so that we will have _______ deep understanding of it.
A. the; the B. a; a C. the; a D. a; /
22. Beyond the lake _____ quantities of birds coming from the North every winter.
A. flies B. flying C. flied D. fly
【答案】 D
【解析】
试题分析：句意：每年冬天都有来自北方的大量的鸟飞到湖那边。Beyond the lake是介词短语，位于句首，句子要倒装。quantities of birds是复数，所以用fly。故选D。
考点: 考查倒装句的用法。
23. They can find whatever they need in the supermarket, ______ is always busy on Sundays.
A. which B. when C. where D. who
