Some people argue using _____ nature to meet our own needs may spell disaster, unless we start to look around and understand how ______ clean environment benefits us all.
#9746
A
/; a
B
the; the
C
the; a
D
a; a
推荐题目
Exploring ________ space is exciting, yet dangerous. There is _______need for both robots and humans for space exploration.
#8457
A
the; a
B
a; the
C
/; a
D
/; /
You should have ____ good knowledge of English if you want to find a job here. Because English is the working language in_______ most international trade centers.
#8993
A
不填；the
B
不填；不填
C
a; 不填
D
a; the
The artist，whose early career was far from being________success，is now widely recognized as________master of painting.
#7747
A
/；a
B
/；the
C
a；a
D
a；the