选出错误的一项,把错误的选项序号填在括号内,并在横线上改正过来。(每空1分,共10分)
找出下列句子中的错误,并改正。
Tom _______ things. Now he is making a toy plane.
Li Ming _______ on the _______ floor.
The pupils of our school ______ to visit Liantang Farm tomorrow.
Look! The children are ______ a game under the tree.