Exploring _____space is exciting, yet dangerous. There is _____need for both robots and humans for space exploration.
#10188
A
the; a
B
a; a
C
/; a
D
/; the
推荐题目
Many people agree that______ knowledge of English is a must in______ international trade today.
#8128
A
a; 不填
B
the; an
C
the; the
D
不填；the
The China Dream advocated by Xi Jinping, general secretary of the CPC, covers________ dream of turning a well-off life into reality by 2020．
#8468
A
a; /
B
the; /
C
a; a
D
the; the
He is brave, hard-working and kind, so he was elected ________ monitor of our class.
#8531
A
as a
B
/
C
a
D
to be the
This book tells _____ life story of John Smith, who left ______ school and worked for a newspaper at the age of 16.
#9741
A
the; 不填
B
the; the
C
a; the
D
a; 不填
A new manager will come to take _____charge of this company, which was in _____charge of Mr. Wang.
#8037
A
the; the
B
/; /
C
the; /
D
/; the