摘要： Another type of pollution, thermal pollution , is caused by fuel-burning. A. calling B. called C. to call D. calls
网址：http://m.1010jiajiao.com/timu3_id_2517529[举报]
Another type of pollution, ______ thermal pollution (热污染), is caused by fuel-burning.
|
A．calling |
B．called |
C．to call |
D．calls |
查看习题详情和答案>>