The job cannot be done 一个人 ______. 2.We 下定决心______devote ourselves to just causes. 3.An old man 让(座)______ his seat on the bus to a lady with a baby. 4. ____ (月球之旅) to the moon will be available to common people, I’m sure. 5.They were hoping to _____ 通过,走过 40 miles yesterday. 6.Jack went to school 尽管_____ the heavy snow. 7.A true friend will ______尽全力 to help you. 8. The weather has been hot ____ 迄今 this summer. 9. I______ 不能不 be sorry. 10. The building will be _____完成、竣工 by the end of this month.