问题
st, I didn’t know what______ Facebook was, andnow I do know what it is. I have to say, it sounds like ____huge waste of time.
A:/, the
B:/,a
C:the, a
D:a, the
B:/,a
C:the, a
D:a, the
正确答案是：
同类题型
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day, Jane walked away from the discussion. Otherwise, she ______something she would regret later.
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