我们明天要去公园野餐。

We're going ___to the park for a picnic tomorrow.

请把这封信交给老师。

Please give this letter ___to the teacher.

这是通往图书馆的路。

This is the way ___to the library.

商店的营业时间是从早上8点到晚上10点。

The store is open from 8 am ___to 10 pm.

她需要去买些牛奶。

She needs ___to buy some milk.