. He removed the tree ____________ it was the best in the ground.A．whenB．ifC．bec_刷题宝

题干

. He removed the tree ____________ it was the best in the ground.

A．when

B．if

C．because

D．as

上一题下一题 0.85难度单项选择更新时间:2010-06-08 05:53:44

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