He teaches in ___ university and is ___expert on politcs.
#10063
A
an, a
B
the, a
C
a. an
D
a. the
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