The vase cost me almost 100 yuan—Well, it was crazy of you to spend so much money _____you could buy a much cheaper one

She walked home by herself, ______ she knew that it was dangerous

I hear that Lily’s brother is a worker here.—Look! The manisworking over there is her brother.

____ it may be, there is no placelike home, _____ you may go.

The middleaged woman ________ the difficulties to bring up her three children. [ ]