No one knew where my grandfather was, and many came to _____us in searching for him.  

Now a lot of new technologies can ___________ problems in industry.

 — Did you enjoy yourself at the party?— Sorry to say I didn’t. It was ____ a meeting than a party.

 After a short holiday, he _____ himself once more to his studies.

After a second thought, Bill ________ a better idea of how to solve the problem.