We can have_______ bluer sky if we create________ less polluted world．
#34650
A
a；a
B
a；the
C
the；a
D
the；the
推荐题目
---Did you get there by_______bike?---No, I took _______ taxi.
#34192
A
a; a
B
不填；a
C
the; the
D
a; the
I don't usually like staying at ______ hotels, but last summer we spent a few days at ______ very nice hotel by the sea.
#33728
A
the; a
B
the; the
C
/; the
D
/; a
— Who won _____ prize for the “Most Beautiful Nature” photography? — _____ 18-year-old girl.
#34068
A
the; A
B
a; A
C
the; An
D
a; An
Lisa is _________ exchange student from Britain, but she knows a lot about China.
#33376
A
a
B
an
C
the
D
/