问题描述：
My friend told me that there was a truck__rubbish outside.A.has collected B.is collecting C.was
My friend told me that there was a truck__rubbish outside.
A.has collected B.is collecting C.was collecting D.collecting
My friend told me that there was a truck__rubbish outside.
A.has collected B.is collecting C.was collecting D.collecting
问题解答：
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