— I’m sorry to tell you that you made a mistake in your test.— How can that be? I did it _______ in class.
Look over there-there's a very long, winding path __________ up to the house.
The printer is of good quality. _____ it break down within the first year, we would repair it at our expense.
Maintaining(维持) peace and stability of the South China Sea and the East China Sea will certainly ____ a more promising Asian-Pacific area.
---I’m afraid this question is beyond me. ---______. Tell me what you think. There’s no wrong answer.
He _____ to participate in the school debate, but on second thoughts, he gave up the idea.