Question

She______writing the report after breakfast and handed it in at noon.

1. A.
   set off
2. B.
   set down
3. C.
   set out
4. D.
   set about

Answer 1

D
试题分析：此处set off 引爆；set down写下，记下； set out开始着手做某事；后接不定式；set about开始做某事，后接动名词。故选D。句意：他早饭后开始写报告，中午就交上了。
考点：考查动词短语辨析。