问题
选择题
–Do you know who invented _______ telephone?
- No, but it is really _______ most useful invention.
A.the; /
B.a; a
C.the; a
D.a; the
答案
答案:C
–Do you know who invented _______ telephone?
- No, but it is really _______ most useful invention.
A.the; /
B.a; a
C.the; a
D.a; the
答案:C