there ___ a set of keys and two books .麻烦各位英语高手帮我用一个必动词填空因为我的答案和老师的不同,但是我觉得老师的不对,所以想要请懂英语的朋友帮我解答一下

There are a set of k___ in the case 是there is a set of keys还是there are a set of keys?is or are There is ( ) A.key B.a set of key C a set of keys D.keys 选哪个?为什么 I have a set of ___（钥匙）.Jim and Tony ___(是) good friends. 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? a set of a set of 英语翻译7.a) how many dominoes are there in a double-six set of dominoes?b) how many spots are there on a double-six set of dominoes? a complex set of 具体 complex set there are a set of machines?there are a set ofK orders which are to be processed on N machines我觉得应该是there is There is a set of sofa( )the right of the living room.介词 There are two____(set) of keys here. 18.Great changes ___ (take place),and a lot of factories have been set up. You can buy a TV set on the ___ floor of the shopping mall.(seven) there is a set of keys,a book and some chalk on the desk?KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK 38.I hear you have got a set of valuable Australian coins.___ I havea look ...Yes ,certainly.A.Do B.May C.Shall D.Should.分析为什么选B而不选C.43.It is said that there are plenty of hotels in Wu Yi Shan .There ___ be any difficulty for you to I have a set of k __根据句意和首字母提示填空 适当填空 There is a set of---------(key) on the table