I don’t knowwith this problem．It’s too hard．

Elizabeth has already achieved success________her wildest dreams[ ]

Last Sunday he made a promise ________ he was free he would take me to Qingdao.

not the strongest of the species that survives,nor the most intelligent that survives It is ______that is most adaptable to change

_____she your mother —No, she _______. She’smy aunt.