____ what to do,the man telephoned the police.(4 分)A.Not knownB.Don’t knowC.Not knowingD.knowing not选哪个?

分类: 作业答案 • 2021-12-20 02:34:40

问题描述：

____ what to do,the man telephoned the police.(4 分)
A.Not known
B.Don’t know
C.Not knowing
D.knowing not选哪个?

答

c
一定正确!