问题
选择题
“This is ______ most useful reference book, ” Mr. Lee told us in ______ class.
A.the; a
B.a; 不填
C.不填; 不填
D.a; a
答案
答案:B
“This is ______ most useful reference book, ” Mr. Lee told us in ______ class.
A.the; a
B.a; 不填
C.不填; 不填
D.a; a
答案:B