I have many friends ,______ some are businessmen

jority of rural migrants are engaged in the most painstaking, most tiring and dangerous work, _______ college graduates are reluctant to do.

hurried through dinner, changed intoold clothes, _______ in the lab for three hours.

You haven’t been to the USA, have you— Buthow I wish to go there again!

How do you find Xiamen, Cathy? — It’s beautiful coastal city. I have ____ it for my next holiday.