摘要： The students were participating an international energy- saving competition between towns in England and Canada. A. for B.in C. to D. at
网址：http://m.1010jiajiao.com/timu3_id_2474171[举报]
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
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