It will be difficult for a robot the same as humans.

I believe your dream will come true one day if you keep on __________ hardfrom now on.

these poisonous products ________ can cause the symptoms of the flu, such as headache and aching muscles.

Badluck They didn’t offer the job to me— ______ You’ve been well prepared for the interview

At the sight of the _________ scene, he was almost _________ to death.