People are living in ___ world where mouse clicks rule our life, so online searches have become _____ must.
#9553
A
the; /
B
/; a
C
a; a
D
a; the
推荐题目
Engineering is ______ challenging course of study that requires ______ thoroughunderstanding of mathematics and science.
#8168
A
the; a
B
a; the
C
不填；不填
D
a; a
In ____ accident _____ knowledge of first aid can make _____ real difference.
#8908
A
the; a; the
B
an; a; a
C
an; the; 不填
D
a; a; 不填
As far as I know, they spent _______ winter of 1999 in _______ UK.
#10307
A
the… the
B
/…/
C
the… /
D
/… the