They looked ___ at the news, and some girls began to weep.

I’m sorry, madam, those shoes are only ____ in small sizes. You can come again the day after tomorrow.

A good story does not necessarily have to have a happy ending, but the reader must not be left __________________.

Some experts think that language learning is much ___ for children as their tongues are more flexible.

During enjoying the Mid-Autumn Festival, celebrating the harvest is an important reason, but of __________ importance is the whole family’s get-together.