Students should be encouraged to use _________ Internet as _________ resource.
#7933
A
不填；a
B
不填; the
C
the; the
D
the; a
推荐题目
We can never expect____bluer sky unless we create____ less polluted world.
#9999
A
a; a
B
a; the
C
the; a
D
the; the
—Health goes ahead of everything.—Yes. Keeping _____ balanced diet is good for ____ health.
#8398
A
the; /
B
a; the
C
the; the
D
a; /
(2013·泰安一中月考)—John has put forward ________ most challenging question for us to answer.—Yes，it really is.I have never heard ________ harder one.
#7889
A
the；/
B
/；the
C
the；the
D
a；a
As environment protection is becoming _______ public concern, _______ government is determined to pay more attention to the issue.
#7936
A
不填；the
B
a; 不填
C
the; a
D
a; the