A set of keys at home这个句子对吗?没有be动词啊?

Frank,look at that ____是填 a set of keys还是填set of keys a set of keys英汉互译 a set of keys的英文是什么 A set of keys at home这个句子对吗?没有be动词啊? They are a set of keys ,It's a set of keys 哪个是正确的? A set of keys is here划线提问A set of keys划线提问 Here _(be) a set of keys.如题.Here _(be) a set of keys.、 I have a set of keys 根据a set of keys 提问? A set of keys ---(be) on the table.There ---(be) a set of keys on the table.---(Are they/Is it) your set of keys? Hello everyone,I have found a set of keys at 地点If you lost your keys,please contact John by calling 3658429. I have two __ .A.set of keys B.set of key C.sets of keys D.sets of Help!I lost a set of keys in the calss-room.please call me at 451-3752.的翻译 found:a set of keys Are these yours call jenny at 284-5486.换种方法怎么写 this is换he/she is,a set of keys换keys可以吗?为什么a set of keys是复数,下面一句却是is this your set of keys.is不是单数用的吗?什么情况下用at?什么情况下要换第三人称形式?什么单词前面要加the?什么情况 There is ( ) A.key B.a set of key C a set of keys D.keys 选哪个?为什么 a set of keys 后用单数还是复数谓语 A set of keys是单数还是复数? here is a set of keys.改为否定句