There is _____ river at the foot of the mountain(山). _____ river is dangerous.
#32954
A
a; A
B
a; The
C
the; The
D
the; A
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Doing lots of listening practice is one of ________ best ways of becoming ________ good language learner.
#32081
A
the; the
B
the; a
C
不填; a
D
the; 不填