Laura wanted to play a joke on her father but gave herself________by laughing

Many experts hold the view ____teacherdevelopment is _____the key to better education lies.

______ you pass the examination on the first attempt?—Of course. You know, I have been preparing for it for a long time.

Lily is so kind-hearted a girl that she often gives__________ needs her help.

Wait a moment, I have _______ to tell you.