–Come on, please give me some ideas about the project.--- Sorry. With so much work _________my mind, I almost break down.

John received an invitation to a dinner, and with his work____, he gladly accepted it.  

With no one to________ in such a frightening situation，she felt very helpless.

It was a pity that the great scientist died      his research unfinished. 

In autumn, it’s beautiful outside with golden fallen leaves _______ the ground.