— Attention, please. The plane has to be _________ because of the foggy weather.— Oh, bad luck! We have to wait now.
Her daughter began to play _____piano when she was five. Now she's very good at it.
Have you read the book _____ is about the moon?
Jack still came to school _____he was ill. A though B hotC. if D. so
We want to know _____to help them.
I want to watch the basketball match. Would you please ______ the TV?