Polar bears live mostly on_____ sea ice, which they use as ____platform for hunting seals.
#10482
A
a;a
B
a;the
C
/;a
D
the;/
推荐题目
At present obtaining more land is only possible as _____ result of urbanization, when more farmers leave _____ rural areas to work in the city.
#9250
A
a ; the
B
the ; /
C
a ; /
D
the ; the
In communication, a smile is usually _____ strong sign of a friendly and _____ open attitude.
#8990
A
the; /
B
a; an
C
a; /
D
the; an
--- What _______ fun it is to play with computer games!--- Don’t you think it’s ________ waste of time?
#9340
A
a; a
B
/; a
C
/; the
D
the; the