Polar bears live mostly on __________ sea ice, which they use as __________ platform for hunting seals.
#10169
A
a; a
B
a; the
C
不填; a
D
the; 不填
推荐题目
—How do you like ______ movie Finding Mr. Right?—Fantastic! I haven’t seen ______ better one recently.
#8393
A
the; 不填
B
a; the
C
a;不填
D
the; a
On Sept. 29, 2008，Shen Zhou VII returned to _______ earth from _______ space successfully.
#10502
A
the; /
B
/; the
C
/; /
D
the; the
Wouldn’t it be ______ wonderful world if all nations lived in ____ peace with one another?
#9821
A
a ; /
B
the ; /
C
a; the
D
the; the
We can never expect ________bluer sky unless we create _____less polluted world
#8121
A
a;a
B
a ;the
C
the ;a
D
the; the
Professor White has written some short stories, but he is＿＿＿known for his plays．
#10198
A
the best
B
more
C
better
D
the most