—John has put forward _______ most challenging question for us to answer. —Yes, it really is. I have never heard _______ harder one.
#10301
A
the; 不填
B
不填; the
C
the; the
D
a; a
推荐题目
In ________ early 1990's, as ________ gesture of appreciation, the library was named after the businessman who donated most of the money with which to build it.
#7792
A
the; a
B
the; the
C
/; the
D
an; /
—Would you mind giving your advice on how to improve our business management? —If you make ____ most of the modern equipment, there will be ____ rise in production．
#8270
A
不填; 不填
B
the; a
C
不填; a
D
the; 不填
Polar bears live mostly on _____ sea ice, which they use as ___ platform for hunting seals.
#10066
A
a; a
B
a; the
C
不填；a
D
the; 不填
Opening the door, Mrs. Summers found ________ family of ________ cats shut in the bathroom.
#7822
A
a；不填
B
a; the
C
the; 不填
D
the; the