The research assistant contributed to the laboratory assistantship.

Assistantships are very rewarding work opportunities.

The technical assistance solved the problem in less than an hour.

During the trial, he attended without saying a word.

By attending the math classes, I was able to improve my grades.

My assistant will help me prepare the presentation for tomorrow's meeting.

Assistants are very helpful in a modern work environment.

He used to attend the concert every week.

The fly excrement on the floor was a sign of neglect.

The foundation of the house is solid and well-built.