. The Beatles, ______ many of you are old enough to remember, came from Liverpool.
Barry must have visited the Eiffel Tower before,________he?
________,he talks a lot about his favorite singers after class.
________ and we’ll get everything ready for the taking off.
Not until we have had a chance to discuss it thoroughly ________ perfectly.
—Have you been to the Great Wall? —Perhaps not in my memory.________,it might have been during my early childhood.