求翻译：permary 五 和六年级没有固定的华语拼写时间，但因为它们功课多，回中心时间晚，能否在他们华语拼写的前一天给他们做一下拼写测试。如果那天他们功课不是很多。是什么意思？

permary five and six year fixed Chinese spelling, but because of their homework and, later back to the center, whether in their Chinese spelling of the first day for them to do the spelling test. If that day their homework is not a lot.

正在翻译，请等待...

permary five and sixth grade not fixed Chinese spelling time, but because their schoolwork are many, returns the central time evening, whether day before does in their Chinese spelling to them spells the test.If that day their schoolwork is not very many.

Permary Mandarin spelling of five and six did not have a fixed time, but because they are too many, back to the Center later, whether their Chinese spelling for them to do it on the day before the spelling test. If their homework is not a lot that day.