— Do you know where David is ? I couldn’t find him anywhere. — Well. He ______ have gone far –his coat’s still here.
There is an old templefrom 2000 BC on the top of the mountain.
A new study found ______ a teacher has anxiety about maths, ______ feeling can influence how his or her female students feel about math.
Good health is __________ most people take for granted--- until they lose it .
With the development of modern society, E-mail as well as telephones an important part in daily communication.
—Your brother was brave enough to tell the truth in public. ---Yes, and he will never regret_________ that. I admire him so much.