Online music providers in China hope to set up a planthat will charge individual users for music

Going out for tea with friends _increasingly popular during the past twenty years

Nowadays, many people walk to work _____Copenhagen Conference calling for living a low-carbon lifestyle to cope with global warming[]

Alice was not satisfied with the apples her mother had picked for her, _______ was small and not ripe.

ll be off on business next month Ifyou write letters and E-mails to me, please _____ all the mails to Mr Zhang