In fact,we should also take care not to cough or sneeze loudly in public ________

1. A.
   if possible
2. B.
   if it is possible
3. C.
   as soon as possible
4. D.
   as much as possible

In fact,we should also take care not to cough or sneeze loudly ________ public if possible．

1. A.
   on
2. B.
   in
3. C.
   at
4. D.
   for

 —Talking loudly in a library is impolite.

—In fact, we should also take care not to cough or sneeze loudly in public.

A. look after   B. be careful  C. take care of      D. look up

—Talking loudly in a library is impolite.
—In fact, we should also______ take care not to cough or sneeze loudly in public.

1. A.
   look after
2. B.
   be careful
3. C.
   take care of
4. D.
   look up