--A lot of people got SARS two years ago. It was terrible.

--Yes. We should ________ ourselves and keep healthy.

1. A.
   look after
2. B.
   look over
3. C.
   look for
4. D.
   look up

?A lot of people got SARS two years ago. It was terrible.

?Yes. We should ________ ourselves and keep healthy.

A. look after

B. look over

C. look for

D. look up