He will participate in the swimming competition.

He decided to take up a teaching position.

He went to Africa for evangelism.

He studied abroad in America to receive higher education.

He is using binoculars to observe birds.

He was hospitalized due to pleurisy.

We must strive to protect the natural environment.

Even after a day passed, there was no reply from him.

In Japan, compulsory education lasts for 9 years, from age 6 to 15.

He was observing birds using his new binoculars.