He can speak ____ Japanese .
—Jenny, you have got the first prize in the competition. Congratulations! ---- _______.
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.