(单选题)47: We will have to ____ the matter carefully before we can draw any conclusion.
A: find out
B: look into
C: search for
D: base on
(责任编辑:admin) |
(单选题)47: We will have to ____ the matter carefully before we can draw any conclusion.
A: find out
B: look into
C: search for
D: base on
(责任编辑:admin) |