According to a survey, few children from single-parent families have a hobby and that hobby ______ last for only a year or two.
Much to my __________, most of the people __________ to the party were old friends.
Every pupil is __________ to be in the classroom at 7 am.
—The athletes won 51 gold medals in the 29th Olympic Games. —We are all __________ their success in the Olympic Games.
The waste can be recycled into new products, which __________ will save natural resources.
Tony __________ the deadline by two hours, but did not inform me __________, which made me angry.