are,thirty,trousers,pounds,blue.应该怎么连词成句?

The blue trousers are thirty pounds 连词成句 are,thirty,the,trousers,pounds,blue are,thirty,trousers,pounds,blue.应该怎么连词成句? 中文翻译（How much are the blue trousers?They'er thirty pounds.That's all right .I'll take the There are thirty-five Those are his trousers.(对his trousers提问） Those are her trousers.(改成同义句)Those trousers are__. The trousers are mine还是The trousers is mine?为什么? Are these your trousers?Yes,these are, trousers trousers Are these your trousers?怎么回答? what colour are the trousers?怎么回答 these are my trousers(对my提问) how much are the trousers?同义句 Are your trousers black?怎么回答 Whoes trousers are they?的中文? These are (trousers)括号部分提问