Helen and Mary are good friends. _______often help each other.
Li Yundi began to learn the piano _____ the age of four and took part _____ the 14th Chopin International Piano Competition in 2000.[ ]
Jane , what a nice coat you are wearing today! – Thank you ! I ____ 480 yuan on it.
The sweater is _______ for me, Dad.—Well, let’s buy a big one this afternoon.
They had a party _______ the evening of October l. [ ]