They ____ some useful information to the police .
——Who’s the man over there?Is it Mr. Black? ——It______be him. He’s much taller.
——I don’t know where to go this summer vacation. ——Why not_____visiting Huanggang?There are many places of interest there.
——What should we do now, Mr. Clark? ——Please turn to Page_____and look at the_____picture.
——Is this_____football, boys? ——No, it is not.
——What would you like to drink, girls? ——,please.