—Shall I help you carry your travel case to the train ,Granny? —Oh,no,my boy.It is heavy.Thank you anyway.
School children must be taught how to deal with dangerous ______ .
He has been to general manager because of his excellent work in the company.
Despite some difficulties,China has achieved a lot in the past year ______ .
After you have used the dictionary, please put it back ______ it belongs.
A wonderful idea suddenly occurred to me ______ I would turn to the reference book to finish my homework.