____ you should have no trouble with the difficult work.
题目
____ you should have no trouble with the difficult work.
A. Knowing this B. If you're knowing this C. From knowing this D. If you had known this
答案
D 完整的虚拟条件句.
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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