If in wet sand, the vegetables can fresh for a long time.
If you feel tired and sick of fat foods, that is _______ you have to go to the hospital for a medical examination.
Our class _________ all fond of singing English songs and we can sing ________ than others.
To our excitement, two _________ of students __________ a success after three years’ hard work.
He has recently ___________ tennis to relax himself.
— I phoned you yesterday morning. A girl answered, but I didn’t recognize the voice. — Oh, it __________ my younger sister. She was in my room at that moment.