—Is he coming? —I'm not sure.He may be late or,____, he may not come at all.
To my parents, what __________ is the happiness oftheir children.
Theboy always feels lonely,__________ when no onespeaks to him.
The manager had her __________ the papers immediately.
—How long __________ Mary before they got married? —For about five years.
The school's music group will be giving a big showtomorrow night and __________ two on the weekend.