According to a new survey carried out by an American university, learning______ second language can result in_______ increase in the power to learn your native tongue.
#10239
A
a; the
B
不填; the
C
a; an
D
the; an
推荐题目
Johnson had made up his mind to give it up，but on______second thought he determined to try______ third time.
#10092
A
/；a
B
/；/
C
a；a
D
the；a
The old man went near ________office.Unluckily，there was no name on________door.
#7991
A
an；\
B
the；the
C
an；the
D
the；a
However, in ______ recent years, Niagara Falls have come to be appreciated more for their natural beauty as ______ wonder of nature.
#10001
A
不填; a
B
the; the
C
不填; the
D
the; a