I saw a sample ……………… her work and it was quite impressed.

The U.S. postal service policy for check approval includes a requirement that two pieces of identification ……………...

Nerve impulses ……………. to the brain at a speed of about one hundred yards per second.

Although exact statistics vary because of political changes, ……………. separate nation states are included in the official lists at any one time.

……………. owe much of their success as a group to their unusual powers of migration.

I believe …………….. things openly.

Research in the work place reveals that people work for many reasons …………….

Seals can ……………. because they have a thick layer of blubber under their fur.

Both liquids and gases flow freely from a container because they have ……………..

One of Shaw's ……………., "Pygmalion", was the story that formed the basis for the musical play "my fair lady".