Jack offered us a big meal when he was leaving the office, but our work ____, we refused it.

The palace caught fires three times in the last century,and little of the original building   now.

Every individual _________ in a continually changing world of experience of which he or she is the center.

----In fact, you _____ to write up the report within three days.----Sorry for not finishing it. I’ve been too busy recently.

I        into robots and used to make mobile phones as well as help with medical operations.