In the past, ice used to ______ used to ______ the air in a room.
Villagers of the danger soon after the big earthquake in Japan,or more people would have lost their lives in the tsunami.
It remains ________ whether the students will benefit from the monthly exams.
Students should keep in mind that there’s something more important than _______ fashion for them to seek after in _______ life.
_____ comes first will get the prize.
John received an invitation to dinner, and with his work _____, he gladly accepted it.