There (be) a pen and two erasers in the pencil-box.Listen! Who (sing) in the classroom?They would like two bowls of (tomato noodle). (not run) in the hallways.Wang Lin and Mary are good (sing).
You ______ come to the office today______ someone else will do the work for you.
We are ______the people in need are helped in time.
The company was set up _______. My father has been working in it for nearly thirty years.
We should pay more attention ______teenage problems.
______he was exercising at the park yesterday morning, he found a purse under the tree.