—Shall I help you carry your travel case to the train ,Granny? —Oh,no,my boy.It is heavy.Thank you anyway.
The shop doesn’t open until 11 am, _______ it loses a lot of business.
— Beijing or Shanghai? What did you mean? — We were talking about _______ go to college.
When he was a boy, he used to go there and watched _______.
Robert is said______ abroad, but I do not know what country he studied in.
Beijing was attacked by such a terrible sandstorm ______few citizens had ever experienced before.