摘要： If we go on using energy so wastefully, are that our oil wells will be dried up before new energy sources can be found to replace oil. A. chances B. opportunities C. questions D. problems
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If we go on using energy so wastefully, ________ are that our oil wells will be dried up before new energy sources can be found to replace oil.
- A.chances
- B.difficulties
- C.questions
- D.problems
If we go on using energy so wastefully, ______ are that our oil wells will be dried up ______ new
energy sources can be found to replace oil.
energy sources can be found to replace oil.
[ ]
A. chances; before
B. difficulties; after
C. questions; since
D. problems; as
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B. difficulties; after
C. questions; since
D. problems; as
If we go on using energy so wastefully, _____ are that our oil wells will be dried up before new
energy sources can be found to replace oil.
energy sources can be found to replace oil.
[ ]
A. chances
B. difficulties
C. questions
D. problems
查看习题详情和答案>>
B. difficulties
C. questions
D. problems