146. What a pity it is that Bob the habit of smoking at such an early age!A. developed in

问题补充：

146. What a pity it is that Bob the habit of smoking at such an early age!

A. developed into

B. slid into

C. switched into

D. slipped into

答案：

A. developed into

B. slid into

C. switched into

D. slipped into

解析：可联系答.案.网客服索取。