The water will be further polluted unless some measures ______.

admin2009-08-15 37

问题 The water will be further polluted unless some measures ______.

选项 A、will be taken
B、are taken
C、were taken
D、had been taken

答案B

解析表示一种假定的情况时，主句如果用一般将来时态，从句则用一般现在时态。

转载请注明原文地址:https://kaotiyun.com/show/Diyd777K

公共英语二级笔试

相关试题推荐

随机试题

最新回复(0)