been thecomputer for two hours, chatting with a boy from Australia.

Believe it or not, my sister and I are twins.— Oh, you must have had the case _________ you were taken for your sister.

I looked up and noticed a snake ______ its way up the tree to catch its breakfast, ______ scared me away.

（2014重庆）In Chongqing，you can often see many people dance outside together if it________in the evening．

His parents insisted that he ____ his name ____ the next year.