This set of keys ( ) in ( ) schoolbagA.is;he B.are;his C.is;my D.are;i

You use this set of keys for 是where is a set of keys 还是where are 回答是It‘s 还是They're是Is this a set of keys 还是 Are they a set of keys this,yours,keys,set,is,of,the,lost,in,and,found,case（?）连词成句 I lost a set of keys.然后是用 Is this yours?还是Are these yours? This is a set( )keys用介词in,on,under,of,for I lost two ____(set)of keys a set of keys英汉互译 a set of keys的英文是什么 There are two____(set) of keys here. We can use _____ keys for ______.A.this,type B.this piece of ,type C.this list of,typing D.this set of,typing 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? Frank,look at that ____是填 a set of keys还是填set of keys Are the set of the keys ..? 还是Is the set of keys .? 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 This is my dictionary.(改为一般疑问句 set to that a of is keys room her （连词成句）