“_______,” the mother warned her sons.

Studying abroad can be a meaningful and rewarding experience, which gives students the chance to live overseas, integrating themselves into a totally foreign culture, meet

John ______ economics at Oxford University since he _______ to England six months ago.

_______ anything stranger.

The World Health Organization (WHO) is a specialized agency of the United Nations,  that acts as a coordinating authority on international public health.

Do you know his address _______ telephone number?

They have ever advised _______ the hotel for reservation.

The volunteers planted these trees in the park last week.

Future is a time when most people assume that everything will keep getting better and future generations will enjoy life in a more better world.

Do you know that reading can keep your mind acted and engaged well when you get old?

If it _______ an hour ago, the streets _______ wet now.

Education is recognized as an essential need for achieving equal in most walks of life.

Nowadays, most students wear _______.

By the time Mary saw the job advertised, it was already too late for her to apply.

The particles are _______ they burn up before they reach earth.

It is late. It is time we _______ home.