2、cted.4.Oh,my,Ican’tfindmykey;______________________________(我一定是把它忘在哪儿了).5.I____________________________________________(宁愿加入你们去做义工)thangotothebeachforaholiday.(10 6)1.can not be too careful2.did I realize that reading could not be neglected3.to the researchers' surprise4.I must have
3、left it somewhere5.would rather join you to do volunteer work82.___(他们的独生儿子从未想过)toleavethemandstrikeoutonhisownthoughheisinhislatetwenties.83.Beforeyoutakeanyaction,pleaserememberto___(权衡你的决定会产生的后果).84.Heassuredhisfriendthatundernocircumstances___(他会违背还钱的承诺).85.Mosteducatorsadvisethatk