They wouldn’t let us through without examining our passports very carefully,_______?
---Who is making so much noise in the garden?---______ the children.
Historically, ______ main material for making tables has been wood, but ______ metal and stone have also been used.
While in London, we paid a visit to the hospital founded__________the nurse Florence Nightingale.
He has been in high spirits, for pieces of exciting news came to him __________.
He arrived home very late last night, __________in the early hours this morning.