题目内容
20、The students were participating __________ an international energy-saving competition between towns in New England and Canada.
A. for B. in C. to D. at
试题答案
20、B
相关题目
The students were participating________an international energy?saving competition between towns in New England and Canada.
A．for B．in
C．to D．at
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The students were participating ________an international energy-saving competition between towns in New England and Canada．
- A.for
- B.in
- C.to
- D.at
The students were participating an international energy saving competition between
towns in New England and Canada.
towns in New England and Canada.
[ ]
A．for
B．in
C．to
D．at
查看习题详情和答案>>
B．in
C．to
D．at
The students were participating_______ an international energy saving competition between towns in New England and Canada.
A. for B. in C. to D. at
查看习题详情和答案>>The students were participating __________ an international energy-saving competition between towns in New England and Canada.
A. for B. in C. to D. at
查看习题详情和答案>>