It will make ______big difference if this experiment becomes ______ success.
#8707
A
a; a
B
a; the
C
/; /
D
a; /
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The Shanghai World Expo is intended to achieve our common goal, world that is safer, cleaner and healthier than one we’re living in.
#8815
A
the, the
B
a, /
C
a, the
D
the, /
When you finish reading the book, you'll have______better understanding of________life.
#8622
A
a; the
B
the; a
C
/; the
D
a; /
Not everyone has realized what ________important part the balance of ________nature plays in their life.
#8656
A
an；the
B
/；the
C
an；/
D
the；/