In projects where it is desirable to obtain input from a large number of people, a(n) __________, such as that shown in the accompanying figure, can be a valuable tool.
【简答题】用所给单词的适当形式填空。 1. There ______________ (be) some water in that bottle. 2. There are 5 basketball ______________ (play) in every team. 3. ______________ (be) you at home last night? Yes, I was. 4. ____...