1．—May I take this book out of the reading room?
—No, you____．You read it in here．
A．mightn't B．won't C．needn't D．mustn't
2．John thinks it won't be long ____ he is ready for his new job．
A．when B．after C．before D．since
3．His first book ____ next month is based on a true story．
A．published B．to be published
C．to publish D．being published
