No regular advertiser dare produce anything that fails to stick to the ____ of his advertisement.
The student, ____whom all the teachers are pleased,is very strict ___himself ___ everything.
—— How long has the bookshop been in business? —— ______1987.
He is running____the wind towards the station_____ Tom running ________the right.
don’t think you can work out the maths problem____her help.
My uncle lives____116 Changhe Street. His room is ____the sixth floor.