【典型例题】
[例1] In 1920, the writer was born in Fengyang, which was _____ to be on the map.
A. a too small town B. a town too small
C. such a small town D. so small a town
答案：B
解析：不定式to be on the map作补充说明的成分，所以应该和形容词连在一起，就像adj.+ enough to do一样。
[例2] The typist worked late into the night, _____ a report for the manager.
A. prepared B. preparing C. was preparing D. to prepare
答案：B
解析：这道题考非谓语动词 doing表示伴随状况，晚上熬夜就是在准备报告。
