Many experts seem to agree that _______ certain limit should set on ________ consumption of cars to ease air pollution.
#9314
A
a; the
B
/; the
C
the; /
D
the; a
推荐题目
Tom owns _______larger collection of _______ books than any other student in our class.
#10186
A
the; 不填
B
a; 不填
C
a; the
D
不填; the
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
I don’t think the experiment is ______ failure. At least we have gained ______ experience for future success.
#10382
A
不填；the
B
a; the
C
a ; 不填
D
不填; 不填
—Do you have _______ sweet tooth? —I used to, but now I’m on _______ diet.
#8591
A
a; the
B
/; a
C
/; /
D
a; a