．—Really ? Who will give ____lecture ? What is it about ?—Professor Chen , ____president of Beijing University . About pollution .
#10102
A
the ;a
B
the;/
C
a ; the
D
a ;/
推荐题目
The Smiths don't usually like staying at ________ hotels，but last summer they spent a few days at a very nice hotel by ________ sea.
#7901
A
/；a
B
the；the
C
/；the
D
the；a
She removed ________ hat she was wearing and tried on ________ black silk one.
#7813
A
a; a
B
the; the
C
the; a
D
a; the
---- Did you have ________ fun at the party? ---- Yes. It’s ________ shame that you missed it.
#9727
A
a; a
B
/; /
C
/; a
D
a; /
Of all __________ reasons for my decision to become a university professor, my father’s advice was __________ most important one.
#10276
A
the; a
B
不填; a
C
不填; the
D
the; the
He was born on ______ winter morning in 2010, when ______most severe storm struck the city and caused hundreds of deaths.
#8566
A
a; the
B
the; the
C
a; a
D
the; a