问题描述：
同义句转化,划线句提问
1.This computer is the cheapest of the three.
This computer is (____)than (____)(____)two.
2.The river is (about five kilometres)in length.
(____)(____)is the river?
1.This computer is the cheapest of the three.
This computer is (____)than (____)(____)two.
2.The river is (about five kilometres)in length.
(____)(____)is the river?
问题解答：
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