Therearealotofreasons_______pollution,suchasfactorywastes,andtreescutting.A)ofB)inC)forD)atWhois_________ofthetwins?A)youngerB)theyoungerC)youngestD)theyoungestHowlo

　　Therearealotofreasons_______pollution,suchasfactorywastes,andtreescutting.

　　A)of B) in C) for D) at

　　Whois_________ofthetwins?

　　A)younger B)theyoungerC)youngest D)the youngest

　　Howlongwillyourbossbe________?

　　A)away B)far C)back D)of

　　Noagreementwasreachedinthediscussionasneithersidewouldgivewayto_________?

　　A)theother B)anyother C)another D)other

　　MaybeI'llfallasleepbeforemyfathergetshome.fallasleepmeans__________?

　　A)gotobed B)gotosleep C)feelsleepy D)havearest