(年山东日照市高三校际联合检测)9.He didn’t tell his wife about buying a new car for her_____he could give her a big surprise on her birthday.
Many soldiers are reported _______ to the drought area to help the local people carry water in the past few weeks.
Three free tickets for the Expo will be given to ________ comes first in the competition.
With the land prices ________, I can’t afford a piece of land big enough to park my car on.
________ is stronger than steel and lighter than a feather is the silk ________ spiders make their webs.
________ you to be the first to solve the structure of DNA?