Although everything seems to have been taken into consideration， accident can happen when the astronauts walk in space．
#9795
A
不填；the
B
an；the
C
the；the
D
an；不填
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Money plays______ important role in the material world. But expecting ______ money to give happiness may be missing the meaning of life.
#9385
A
a; the
B
an; /
C
a; /
D
the; the
It’s quite obvious that the aging population in China will cause _____heavy pressure on _____whole society in the future.
#9476
A
/, the
B
the, /
C
a, the
D
a, a
His explanation that he was at loss what to do next doesn't hold water.
#8351
A
a ;/
B
a; the
C
the; /
D
/;/
David wants to be ________ engineer while Cathy wants to be ________ doctor.
#8812
A
an; the
B
the; the
C
the; a
D
an; a