An operation may _(be) necessary.Doctors _(not perform) operations; surgeons ___ (do).

分类: 作业答案 • 2021-12-28 18:20:24

问题描述：

An operation may ___(be) necessary.Doctors ___(not perform) operations; surgeons ___ (do).
用括号内单词正确时态填空,

答

be
don't perform
will do

An operation may ___(be) necessary.Doctors ___(not perform) operations; surgeons ___ (do).