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
Zhang Yimou is considered to be one of ____ top directors in __ film industry．
#9895
A
a；a
B
the；the
C
the；a
D
a；the
The biggest whale is ________ blue whale，which grows to be about 29 meters long—the height of ________ 9story building.
#7845
A
the；the
B
a；a
C
a；the
D
the；a
First impressions are the most lasting.After all, you never get ________ second chance to make ________ first impression.(2010·北京)
#7920
A
a；the
B
the；the
C
a；a
D
the；a
Tommy is ____ only child in the family, so his parents make ____ fuss of him.
#9357
A
an, \
B
\ , the
C
\ , a
D
the , a
--Why do you suggest Mount Lu? --I believe ________ beauty of nature there will make ________ excellent impression on you.
#9498
A
/; an
B
the; the
C
the; a
D
the; an