In _____ preparation for the launching of Shenzhou Ⅶ, scientists need ______ knowledge of weather changes.
#10476
A
the; the
B
a; ∕
C
∕; a
D
the; a
推荐题目
It’s second time in five days that he has asked me for higher pay.
#9548
A
不填；a
B
a;the
C
the；a
D
the；the
My teacher praised me for _____ progress I’d made, which was ____ great encouragement to me.
#8126
A
a; the
B
/; a
C
the; a
D
/; /
¾ Who invented _______ cell phone? ¾ I don’t know. Maybe _______ European.
#9916
A
the; an
B
the; a
C
/; /
D
a; the