在英语中，像'mother-in-law'这样的复合词通常需要用连字符连接。

In English, compound words like 'mother-in-law' are usually ___hyphenated.

许多中加混血儿童自豪地称自己为带连字符的加拿大人。

Many children of mixed Chinese-Canadian heritage proudly call themselves ___hyphenated Canadians.