An expert, together with some assistants, have been sent to help us with the project.

Some advanced materials are an old standard with a new twist. The newest fiberopt

Helping a sick neighbor with some repair work is an example of ______.A．instrumental suppo

Cable TV has experienced tremendous growth as an advertising medium because it has some

As an increasing practice, some American schools pay students whoA．give teachers extra hel

An ambulance must have priority as it usually has to deal with some kind of______.A．urgenc

The author was required to submit an ________ of about 200 words together with his