Many cities issued a warning of air pollution for PM-2.5 readings, which became Concern of all the people
#8563
A
the; the
B
the;/
C
/;a
D
an;a
推荐题目
--- Really? Who will give ______ lecture? What is it about? --- Professor Chen, ______ President of Peking University, about pollution.
#10003
A
the; a
B
a; the
C
the; 不填
D
a; 不填
During the camp trip，children were fascinated by wonders of nature．
#9406
A
／；／
B
／；the
C
the；／
D
the；the
It is _____honor for Mrs. Black to be invited to act as an hostess at the party.
#10221
A
an
B
a
C
/
D
the
Hiking is ______ great fun. You will get close to ______ nature and take exercise at the same time.
#9593
A
a; the
B
a; ／
C
／; the
D
／; ／