．—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
(2014·甘肃金昌二中模拟)Hosting the 31st Olympics is________great honor and the Brazilians are working hard to make the games________success.
#7628
A
a；/
B
/；a
C
a；a
D
/；/
)Many people have come to realize that they should go on __________ balanced diet and make __________ room in their day for exercise.
#10267
A
a; 不填
B
the; a
C
the; the
D
不填; a
The bus to the Forbidden City runs on ________ hour by ________ hour.
#7902
A
the；the
B
an；the
C
the；/
D
an；/
The passengers were at ________ loss when ________ word came that their voyage was called off because of the hurricane.
#9183
A
the; a
B
a; the
C
a；/
D
/; a