单选题 The old artist is (in the habit of) (going for) a walk in the park every (morning) (except it rains).
  • A. in the habit of
  • B. going for
  • C. morning
  • D. except it rains


【正确答案】 D
【答案解析】应改为except when it rains。except后面要加名词或从句。加名词时直接接名词，而加从句时则要加上连词，比如that或者其他。在这里是时间状语从句，故用when引导。