I hear the 2010 Shanghai Expo is held __________ May 1st _________ Oct. 31st.
______ students went to the show yesterday.
If it tomorrow, we to climb mountains.
Bob never does his homework ________ Mary. He makes lots of mistakes.
Don’t forget to ______ the lights and the TV in the sitting room before goingto bed.
Can you finish the work well with _________ money and ________ people.