My doctor recommended that I _______ more exercise.
——What have we got for supper? ——I got huge fish at market opposite our school for only five pounds.
一My flight was delayed because of________ heavy rain.—But you are just in______________ time for the discussion.
I don’t think the experiment is ______ failure. At least we have gained ______ experience for future success.
By ________ nature, you are an adventurer, full of amazement and curiosity about _________world bigger than life itself.
Obama has been elected ___ first black president of the United States, and the international society expects to have ____ new USA under his leadership.A 不填;the B a; the C. the ; a D the ; the