新概念1一课一练121-122课答案急需3.itiscold outside .you ‘d better put your coat ————.(填介词)2.that book is on the desk .it’s mine.用who或which改写成一句话.

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新概念1一课一练121-122课答案急需3.itiscold outside .you ‘d better put your coat ————.(填介词)2.that book is on the desk .it’s mine.用who或which改写成一句话.
新概念1一课一练121-122课答案急需
3.itiscold outside .you ‘d better put your coat ————.(填介词)
2.that book is on the desk .it’s mine.用who或which改写成一句话.

新概念1一课一练121-122课答案急需3.itiscold outside .you ‘d better put your coat ————.(填介词)2.that book is on the desk .it’s mine.用who或which改写成一句话.
3.on
2.that book which is on the desk is mine.