—I hear you have an experience in the Royal Air Force. Is that ture?—Yes. I ______ in the Royal Air Force for six years. A. served B had served C joined D have joined
________ is no doubt _______ Mo Yan, this year’s Nobel Prize winner in Literature, ever did so much on his way to success.
The fields where crops used to be grown ________ for building now.
I would appreciate ______________ if you could come to my birthday party.
I failed in the job interview and only then _____ the importance of learning English well.
——It is a long time _____I saw you last. ——Yes.And it will be a long time _____ we see each other again.