29.Although going to school_________most of their time, students in the country always help the parents with the house-work.
At no time________the rules of the game.It was unfair to punish them. (2013·辽宁,26)
________small,the company has about 1,000 buyers in over 30 countries.(2013·天津,5)
Only by increasing the number of doctors by 50 percent ________ properly in this hospital. (2013·大纲全国,32)
It was only after he had read the papers ________ Mr.Gross realized the task before him was extremely difficult to complete. (2013·大纲全国,30)
“Never for a second,”the boy says,“________that my father would come to my rescue.” (2013·江苏,27)