As is known to us, theory is based on practice and servers practice.A. by chance B. in turn C. in return C. by turn
Helen was much kinder to her youngest son than to the others, _____,of course,made the others envy him.
Boris has brains. In fact,I doubt whether anyone in the class has ____IQ.
Yesterday Jane walked away from the discussion. Otherwise,she ____ something she would regret later.
An awful accident_____,however,occur the other day.
Greenland, _____ island in the world,covers over two million square kilometers.