Therearesomepolicecarsinfront.Whatdoyousuppose_____?
A、isthematterMytrainarriveinNewYorkateighto'clocktonight.TheplaneIwouldliketotakefromthere______bythen.
Theprofessorsaidhecouldtalkon_____interestedtheaudience.
"______thefriendshipbetweenourtwopeoplelastforever!",andwiththissincerehope,thepresidentconcludedhisspeech.
Duringthetouristseason,therearemanypeoplewanderinginthiscitytoseetheoldcastles_____inthesixteenthcentury.
Postage______,thenecklacewillcostyouatleast650yuan.
