Not great. I fill in a form and then I'm told to fill in another one.

不怎么样。我填了一个表格，他们又要我填另一个。

You have to fill in a form, but it does not take long.

您必须填写表格，但不会花很长时间。

You can also " fill in" a form online or " complete" a form online.

您还可以在线“填写”表格或在线“完成”表格。

You have to fill out a form in order to get a loan from the bank.

您必须填写表格才能从银行获得贷款。