摘要：30 % of the young trees, attacked by diseases, pine trees. A. is B. are C. was D. has been
网址：http://m.1010jiajiao.com/timu3_id_3129297[举报]
30 % of the young trees, attacked by diseases, ________pine trees.
A. is B. are C. was D. has been
查看习题详情和答案>>30 % of the young trees, attacked by diseases, ________pine trees.
|
A．is |
B．are |
C．was |
D．has been |
查看习题详情和答案>>