He asked_____ those shoes were.I told him they cost 120 yuan. [ ]

There isn’t meat in the fridge.

How many birds can you see in the tree? –I can seebirds in the tree.

Li Yundi began to learn the piano _____ the age of four and took part _____ the 14th Chopin International Piano Competition in 2000.[ ]

_____the end of the road you will find a hospital.[ ]