With smart phones taking the world by ____ storm, a phone that can only send and receive voice calls and text messages may seem like ____ relic.
#9902
A
a; a
B
the; 不填
C
the；a
D
不填; a
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As we all know．____life is hard for any of us. If we live___ happy life，we must all work harder.
#10447
A
／：／
B
／；a
C
a；／
D
a；a
Susan, _____ university student from European, teacher me _____ art in he spare time.
#9105
A
an; /
B
a; the
C
an; the
D
a; /
The education of _______young is always _______ hot and serious topic in modern society.
#9555
A
the; /
B
a; the
C
/; the
D
the; a
In many places in China,_____ bicycle is still _____ popular means of transportation.
#8643
A
a; the
B
the; a
C
a; /
D
/; a