Excuse me. Where is the museum?—–It is quite far. It will take you half ___ hour to go there by _____bus.

Look _____ the blackboard and listen _____ the teacher. [ ]

He was late this morning, because the bus was too ________ for him to get on.

Liu Dehua, Zhou Jielun and Lin Junjie are famous _____ their pop songs.[ ]

They had to wait _____ the dog _____ out of the room.[ ]