twig|twigged|twigs

她突然明白了为什么他总是迟到。

She suddenly ___twigged why he was always late.

鸟儿们用细小的树枝建造鸟巢。

Birds build their nests with tiny ___twigs.

孩子们用细树枝搭了一个小木屋。

The kids built a tiny hut with some ___twigs.