Aluminum isn’t found free in nature, owing to its always ____ with other elements, most commonly with oxygen.
Don’tplaywiththedog,Jack,forit_____________bedangerousattimes.
I_____in London for many years, but I’ve never regretted my final decision to move back to China.
Nowadaystherolesofhusbandandwifearenotas__________definedasbefore,especiallywhenbothpartnersworkandearnmoneyforthefamily.
It’s said that a car accident_____________on the highway this morning.
Ihavedonemuchofthework.Couldyoupleasefinish____________intwodays?