________the American economy expanded at an annual rate of 2.5 percent in July—September, it faced a long road to recovery.
By the time we reach that page, we ___________ twenty lessons of the book.
On hearing the bad news, he got up quickly ______ the lunch unfinished.
The girl looked at me with a _______expression. Maybe the problem was quite ______.
Would you please ______ your statement again? I don’t understand what you were saying.
---How long has the United Nations ________? --- ______1945.