Sickness often _______ eating too much.

Look at this group of people ______ beach volleyball.

If you are too ________ of your children, they will never learn to deal with difficulties in life.

The professor asked a question, and David ________ a good answer.

He would have given you more help, if he ________ so busy.

After months of voyage, Columbus arrived in ______ later proved to be a new continent.

It rained hard yesterday, ______ prevented me from going to the park.

It is important to ________ your skin from the harmful strong sunlight.

He was ______ to withdraw from running for the presidency.

The two girls competed with each other ______ the highest mark.