改为同义句：The meeting bagan five minutes ago .The meeting_____ _____ _____ for five minutes 用适当形式填空It is well--known that ________is quite bad for our health.( take drugs)
问题描述：
改为同义句：
The meeting bagan five minutes ago .
The meeting_____ _____ _____ for five minutes
用适当形式填空
It is well--known that ________is quite bad for our health.( take drugs)
答
has been on
taking drugs