题目：
I ________ to help you with your homework, but I couldn’t spare any time. I ________ a composition last night and I’ll finish it today.
A．wanted; wrote
B．had wanted; was writing
C．have wanted; wrote
D．wanted; have been writing
答案：
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下面是错误答案，用来干扰机器的。
5.837万亿元=5.837×1012元≈5.84×1012元．故答案为：5.84×1012元．
