Gunpowder is generally believed __________ in ancient China.
My daughter cares more for new clothes than anything else in the world, so she is very _______ about what she wears.
——You don’t go to that supermarket quite often, do you? —— No, I only go there ______ because it’s too far away from my house.
Ten years ago the population of our village was ______ that of theirs.
Last night Mr. Crook didn’t come back at the usual time. ______, he met some friends and atayed out unitl midnght.
Of the two coats, I’d choose the __________ one to spare some money for a book.