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
試題分析：此處set off 引爆；set down寫下，記下； set out開始著手做某事；后接不定式；set about開始做某事，后接動名詞。故選D。句意：他早飯后開始寫報告，中午就交上了。
考點：考查動詞短語辨析。