.—Do you know ______Mr black’s address is —He may live at No.18or No.19 of Bridge Street.I’m not sure of ______A.where,which B.where ,what C.what,which D.what,where

问题描述:

.—Do you know ______Mr black’s address is
—He may live at No.18or No.19 of Bridge Street.I’m not sure of ______
A.where,which B.where ,what C.what,which D.what,where

C.
_what_ Mr black’s address is =where Mr black live,
布莱德先生的地址是什么=布莱克先生住在哪里
所以第一空用.what
No.18or No.19
18号和19号,不确定是哪一个,而且接在of后面 ,所以选择which