Question

4. [2013 •辽宁卷]We are confident that the environment    by our further efforts to reduce pollution. 

A.    had been improved

B.    will be improved

C.    is improved

D.    was improved

Answer 1

4.    B 考查动词的时态。根据已知时态we are confident，可以先排除A、D。再根据our further efforts可知是将来的事情，所以用将来时。故选B。句意：我们有信心，在我们进一步减少污染的努力，下，环境将得到改善。