6. On weekend, my grandma usually ____ a glass of wine.

A. subscribes to B. engages in C. hangs on D. indulges in

<subscribe>

subscribe 订阅

subscription 订阅量、订金

</subscribe>

<engage in>

engage in 从事某事、忙于某事

engaging 迷人的、吸引人的

engagement 约会、订婚

tryst 约会

</engage in>

<hang on>

hang on 坚持、紧握着、抓住不放

</hang on>

<indulge in>

indulge in 沉浸于其中、放纵的、享受

dull 钝的、枯燥的、白痴的、傻乎乎的、呆滞的、索然无味

</indulge in>