Mr. Li, a man calling himself Smith wants to see you. ________ he come in?
The shepherd had to round up the sheep ________first night fell.
To the manager's joy,he is a(n) ________young employee.
________from the top of the tower,the Birds Nest looks more magnificent.
The two birds ________each other in shape and color,in other words,they ________each other in shape and color.
A terrible thought suddenly ________to me—had anyone broken into the house?