As we all know， tigers are in danger of dying out.
#9675
A
the；不填
B
不填；不填
C
the；the
D
不填；the
推荐题目
There was __________ time when the two countries were at __________ war.
#10043
A
the; /
B
the; the
C
a; /
D
a; a
Of the two brothers, Bill is ____ younger one, and he is a quiet boy, ____ the most adults like very much．
#9636
A
a; one
B
a; the one
C
the; one
D
the ; the one
James likes to play ________ violin and ________ chess when he is free.
#10125
A
the; /
B
/ ; the
C
the; the
D
/ ; /
The operation is _____ success and the patient is now out of _____ danger.
#9356
A
a, the
B
a, /
C
/, the
D
/，/
Some researchers are finding that daydreaming may be important to ______ mental health. Daydreaming, they say, is ______ good means of relaxation.
#8871
A
the; 不填
B
不填 ; the
C
不填; a
D
不填; 不填