Question

同义句转换···

He bought this pair of trousers for 50 dollars.
Jack has many hobbies,for example,skiing and skating.
The word "house" ends in "e".
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Answer 1

1. = He paid 50 dollars for this pair of trousers
或 = He spent 50 dollars on this pair of trousers.
或 = He spent 50 dollars (in) buying this pair of trousers
或 = It cost him 50 dollars to buy this pair of trousers.

2. = Jack has many hobbies such as skiingand skating.

3. = The last letter of the word "house" is "e".
= "E" is the last letter of the word "letter".
= The word "house" ends (up) with ''e".

注：（ ）表示其内部分可以省略不写。

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Answer 2