8th morphemes pt. 1

The scientists explored the ocean floor in a small (a)   .

The manager asked her (a)   to handle the routine tasks

They moved to a (a)   neighborhood with lots of trees and parks.

When the regular teacher was sick, a (a)   took her place.

The city has a network of (a)   tunnels for trains.

He had to (a)   the sponge in water before cleaning the table.

The main story was exciting, but the author added a funny (a)   too.

The (a)   checked the workers’ progress to make sure everything was done right.

The hero seemed to have (a)   strength when lifting the heavy debris.

The jet flew at (a)   speed, breaking the sound barrier.