“Never for a second,” the boy says, “______ that my father would come to my rescue.”

Only when he reached the tea­house________it was the same place he'd been in last year. 

—Jenny looks so nervous and excited—If you have a high fever , so     you.

Not until the stadium of Bird’s nest was completed in the end ____back to their normal position.

Only by increasing the number of doctors by 50 percent ________ properly in this hospital.                                                           (2013·大纲全国，32)