Question

【题目】（题文）He usually goes to work by bike, but ____ he walks to the office.

A. often B. never C. always D. sometimes

Answer 1

【答案】D

【解析】

句意：他通常骑自行车上班，但有时步行去办公室。考查副词辨析题。A. often经常；B. never从不，表完全否定；C. always一直，指不间断；D. sometimes有时。but表转折，根据句意语境，可知sometimes符合句意，故选D。