选择题：If only she had known that the warships were constructed of the poorest material

题目内容：

If only she had known that the warships were constructed of the poorest materials, _____, the cannon without gunpowder.

A.which was best

B.what was worse

C.that was better

D.as mentioned

参考答案：

答案解析：

It was _ she was sick _ she didn’t come to attend the farewell party.

It was _____ she was sick _____ she didn’t come to attend the farewell party.

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