题干
---- I drove to Zhuhai for the air show last week.
---- Is that ______ you had a few days off ?
A：why
B：what
C：whe
D：where
答案(点此获取答案解析）
A
A：why
B：what
C：whe
D：where
的同分异构体中，含有苯环且苯环上一氯取代物只有一种的结构共有（不考虑立体异构）（ ）
