Question

there are a new bike and tow car over there.改病句

Answer 1

应该是there is

There be句型的用法

句型中be动词的形式要和其后的主语在人称和数上保持一致.

也就是说：

There is a new bike and tow car over there.

其他例句：

There is an orange and some bananas in the basket.

There are some bananas and an orange in the basket.