()ustheinformation,wewouldhavebeenambushed.
A.Had he not given B.If he did not give C.Should he not give D.Were he not to give正确答案A
()ustheinformation,wewouldhavebeenambushed.
A.Had he not given B.If he did not give C.Should he not give D.Were he not to give正确答案A