Could you imagine a future changed by technology ________ our lessons are taught by robots rather than human teachers

It was ______ his office.

Could I use your iPad for a moment— ________. It doesn’t work.

Where did you find our chemistry teacher? —It was in the lab he was doing his experiment.

Which of the two T-shirts will you take— I’ll take ________. One is for my brother and the other is for my cousin.