High school is undoubtedly a time of growth, both physically and emotionally, ________ academically and socially.
She was with the belief that one must return what one has borrowed.
The task is difficult , time is limited. I’m afraid I can’t finish it on time.
The little boy has a great for language: he can speak three foreign languages very well.
—What do you think our descendants(后代) be like in thousands of years?—Who knows exactly what happen to human beings?
Only in this way find the way of solving the difficult problem.