I think ___ knowledge of the Internet is ____ must in our work today.
#10257
A
a…..a
B
the….an
C
the….the
D
/…an
推荐题目
—Has the little boy passed P. E. test？—He has tried twice and the teacher will allow him to have third try.
#10183
A
the；不填
B
a； the
C
the； a
D
the； the
as she is, she has turned professional writer.
#8263
A
Teenager; 不填
B
A teenager, a
C
Teenager; a
D
A teenager; /
On the first anniversary of Lu Xun’s death, October 19,1937, Mao Zedong himself gave ______ speech in ______ memory of Lu Xun.
#9850
A
a; the
B
a; 不填
C
a; a
D
不填; 不填