Helen is a thoughtful girl. — Yes. I think she is _____ plan everything well.

So that all the living things are dying out gradually .

from his two-year medical service in Africa, Dr. Lee was very happy to see his mother good care of at home.

Most whales must come up for air after several minutes, _______ a few can stay under water for an hour or more

______________________________—- He is of medium build and has straight hair.