Here is （）?Are these yours.A.a set of

Here is （）?Are these yours.A.a set of I lost a set of keys.然后是用 Is this yours?还是Are these yours? found:a set of keys Are these yours call jenny at 284-5486.换 求here is a book of yours的同义句 （Is） the set of keys yours?为什么用Is 不用Are? here is a set of keys.改为否定句 A set of keys is here划线提问 是there is a set of keys还是there are a set of keys? Here（）his set of keys,but where（）my keys?A、is；is B、is；areC、a A:These shoes are uncomfortable.What are yours like? Are these _______.A.yours pens B.pens yours C.yours pen D.yo Here _(be) a set of keys.