It is ______ to spend money in preventing illnesses by promoting healthy living rather than spending it trying to make people ______ after they are ill.

What ______ me was that there was a ______ look on her face due to the ______ problem.

After the long journey, the three of them went back home,_________.

The increase of the number of the students makes the limited computers not ________ to each student.

mith bought a＿＿＿purse for his wife.