Hewouldhavegivenyoumorehelp,ifhe________sobusy.
改写病句:WhiledrivingonBlueberryAvenueyesterdayafternoon,atreefelltowardJack
AtrendthatoccursatthesametimewiththemovementtotheSouthandtheWeastoftheUnitedStatesis________.
WhenwasthereferendumonQuebec'sfuturestatusheldinCanada?
WhatareIreland'schiefexports?