我家是用了這兩本書Advanced Grammar in Use Book with Answer… English Grammar in Use: A Self-Study Ref…
It was one of the queer things of life that you saw a person every day for months and were so intimate with him that you could not imagine existence without him; then separation came, and everything went on in the same way, and the companion who had seemed essential proved unnecessary.Your life proceeded and you did not even miss him,