It is uncertain _______ side effect the medicine will bring about,although about two thousand patients have taken it.

Is the patient out of danger? — No, ______ than yesterday, I’m afraid. [ ]

The U. S．declares ithas the best medical technology in the world，but quite alot of Americans have no __________to health care service．

If we __________ computers, life __________ very different now.

Please call me ____ 256-5896.