As we all know, _______ mankind has realized the walk in ______ space.
#9664
A
the; the
B
/; the
C
/; /
D
the; /
推荐题目
China always plays ____ active part in fighting against _____natural disasters.
#8230
A
/; the
B
an; the
C
an;/
D
/; /
In order to find ____better job, he decided to study _____second foreign language.
#8999
A
the; a
B
a; a
C
the ; the
D
a; the
Many lifestyle patterns do such great harm to health that they actually speed up ______weakening of the human body.
#8407
A
a; /
B
/; the
C
a; the
D
/; /
The China Education Expo 2010 provides visiting students with ________ wealth of information on ________ options open to them for overseas study．
#8794
A
a ; /
B
/ ; the
C
a ; the
D
/ ; /
Paper money was in＿＿＿use in China when Marco Polo visited the country in＿＿＿thirteenth century．
#10215
A
the；／
B
the； the
C
／； the
D
／；／