1.Good to see you again.It's almost three years ---- we met

1.Good to see you again.It's almost three years ____ we met last times.【这个我觉得选D,】A until B before C while D since2.---I left my keys in the room yesterday.I had to get in ___ the window.---It's dangerous to do that.A in B through C over D to 【这个我觉得B、C都对呢?】3.Peter will cook for his parents ____ the International Day of Families comes.A unless B when C until D though 【这个完全没思路了,皮特为她的父母做饭,后面是怎么回事呢?】4.When I got into the room,she was busy talking ___ the phone.A with B on C on D in 【这个是选A还是B呢?弄不清楚.】5.Mr Black is strongly _____ keeping animals in the zoo,because he thinks animals should also have the right to enjoy freedom.A up B for C against D down 【这个根本不会~】6.I need one more student to help me to carry the book.Please ask ____ Lucy ____ Lily to come.A neither ; nor B not only ; but also C both ; and D either ; or 【这个我觉得该选D吧,他好像是说一个学生吧.】