Cycling is a good exercise. ____, it doesn’t pollute the air. A. But B. Therefore C.

– Is it as good as you have thought？ －－ _____________.A、Good.B、No good.C、Not good.D、Not

Fish is a good brain food ______ it is good muscle food and skin food and bone food.

The purpose of adding leg exercises to arm exercises is to ______.A．compensate for a probl

The executive political power of New Zealand is exercised mainly by the______.A．Governor-G

It is necessary that a person______exercises everyday if he wishes to be healthy.A．doB．doe

Copper as well as most metals ____________.A. is a good conductorB. is a good insulator