题目内容：

Look at the touble we are in.If only we___our teacher" advise.
A.had followed
B.followed
C.would follow
D.would have followed

优质解答

Look at the touble we are in.If only we_A__our teacher" advise.
A.had followed
B.followed
C.would follow
D.would have followed
虚拟语气 看我们现在处在麻烦中,要是我们听了老师的建议就好了.
与过去事实相反 用had done形式
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