Tomorrow is Tom’s birthday.Have you got any idea --------- t

Tomorrow is Tom’s birthday.Have you got any idea _________ the party is to be held?A.what B.which C.that D.whereI ate _________ sandwich while I was waiting for _________ 20:08 train.A.the,a B.the,the C.a,the D.a,aIn many places in China,___ bicycle is still ___ popular means of transportation.A.a; the B./; a C.the; a D.the;the