Hello everyone,I have found a set of keys at 地点

Hello everyone,I have found a set of keys at 地点 a ,found,set,I,of,keys(连词成句） I have a set of keys 根据a set of keys 提问? I have a set of keys.(改为一般疑问句） found:a set of keys Are these yours call jenny at 284-5486.换 I have two __ .A.set of keys B.set of key C.sets of keys D.s I lost a set of keys.But last i found( ).填什么 A set of keys keys,set,of,have,l,a.怎么组成一句话? a set of keys please. 求解(a set of keys) Gina found a set（）keys.A:in; B:on; c:of; D:for