They are uncertain the time the mine ． [ ] A．about; blow up B．about; will be blo
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![They are uncertain the time the mine ． [ ] A．about; blow up B．about; will be blo](/pic/43_765998.jpg)
They are uncertain________ the time the mine________．
[]A．about; blow up
B．about; will be blown up
C．for; blow up
D．for; will blow up
试题答案
答案：B
解析：be uncertain about是固定短语修饰time的定语从句应用将来时，故选择B项． |