After meeting the beautiful young girl, the young man lay on his bed, wide awake, with wonderful ideas ______ into his mind.
-- Mr Smith ,What shall we do next? -- Let students ___________for discussion.
--I'll be waiting for you at home. -- ______ I were busy and couldn't come?
His mother could do nothing but _______ for the doctor to arrive.
We still have a long way to go to solve all the problems _____________the Yangtze River.
-- Do you think we should accept the offer? -- Yes,we should, we ________ such bad luck up till now, and time _______ out.