根据句子意思用括号内所给词的适当形式填空，使句子意思完整。
（1）There         （be）many students in our school.
（2）What are you         （go）to do this weekend？
（3）      （do）he live in the country？
（4）Welcome to         （we）school！
（5）Is the blue T-shirt your baby         （brother）？
（6）Look，who is         （run）on the playground？
（7）He jumped into the lake and          （swim）to it.
（8）Mary is             （heavy）than Amy.
（9）January is the         （one）month of a year.
（10）How many          （boy）are there in your class？