________full use of the chance, or you will never achieve your dream of overseas study.
I hear the plane of MH370 has been found!—Really?I wonder if some people are still alive.
These postcards are ________.
They are going to have a picnic _______ next week.
Would you like to go bike ridding with me tomorrow? —Sorry, I’m not . I have to meet one of my friends at the train station.