It is nececarry to be prepared for a intervion.Having the answers ready will be of help.having?

It is nececarry to be prepared for test.Having the answers ready will be of help.having的用法? It is nececarry to be prepared for a intervion.Having the answers ready will be of help.having? Whose dictionary is it?It ()our school library.A belongs to B is belonged to A:__enjoyable it is to travel by air!B:__.A.How;So it is.B.What;So it is. it does not matter who____i am talking to.A.who it is B who it is that C.it is who D.it is whom is to say B、that was to say C、it is to say D、that is to say is to say B、that was to say C、it is to say D、that is to say This is my book.please give______.A.it me B.me it C.it to me D.me to it The book is his.Please pass_____.A.him it B.it him C.it to him D.him to it Do you consider ( ) wise to ignore him?A.it is B.it being C.it to be D.it 理由? Is it time ( )supper?A.to have B.having how far is it from A to B 答语 it.is.up.to. It is over to It is up to It is going to it is time to It is time to