Aftersomanydayswithoutrain,thegroundquickly________thelittlerainthatfelllastnight.
A、droppedEachyearintheUnitedStates,manyblackteenagers_______ofschool,eitherbecausetheycannotkeepuportheyhavetoworktosupporttheirfamily.
Theaddressbook________theemailaddressesofyourfriendsorgroupsofcolleagues.
Let'sdrink_______Dicks'successinbusiness.
Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
Forthenewcountrytosurvive,________foritspeopletoenjoyprosperity,neweconomicpolicieswillberequired.
