He likes computer games very much. He plays _____very late in the night.A when B while C because D until
_____ the help of the teacher,he became a good student.
-_____do you tell your mother about your English result? -By using my mobile phone.
Father is ill. He wants his doctor to give him ______ about his heart trouble.
Is your bike broken? Let__________you.
The small boys decided ________ to each other.