The days are gone_______ smallpox was one of the man’s greatest enemies.

A.which
B.where
C.when
D.who

Oral antibiotics along with good rest_________ very important for patients with pneumonia.

A. was
B. are
C. is
D. were

The patient made a quick_______ from illness.

A.recovery
B.recover
C.record
D.reconstruct

Now,scientistshavenotfoundthecure________AIDS.

A. for
B. to
C. with
D. of

For nurses, they need to take patients temperatureblood pressure, heart rate, and so on.