Question

Do take it easy while listened _______ a lecture for the first time.

1. A.
   to give
2. B.
   to giving
3. C.
   to to give
4. D.
   to gave

Answer 1

C
考查句子理解和非谓语动词。第一个to和前在的listened构成短语，表示被动，第二个to和后面的give构成不定式短语。