综合14.If you really want yourself to have good quality of life ,you must （ ）always（）so much.（not ...be smoking / not ...have smoked / not ...be smoke / be not ...smoking）这题选什么,理由是.
问题描述：
综合14.If you really want yourself to have good quality of life ,you must （ ）always（）so much.
（not ...be smoking / not ...have smoked / not ...be smoke / be not ...smoking）
这题选什么,理由是.
答
第四个 be always doing sth,
答
.If you really want yourself to have good quality of life ,you must （ be not）always（smoking）so much.
be not 是一起的,然后be后面要跟动词ing