Grammar fix

broad range

wide variety

a large and diverse selection of things, people, or options.

collocationB1common

Hear it in context

Notice where the phrase sounds natural.

The university offers a broad range of courses for students to choose from.daily life
In my opinion, having a broad range of activities at school helps students discover their interests and develop new skills.IELTS speaking

Pattern: broad range of + noun

Wronga broad range in topics.

Righta broad range of topics.

'A range OF something', not 'in'.

Patternbroad range of + noun

Choose the version that sounds natural in speech.

Stiff We provide an extensively diverse and comprehensive spectrum of services.

Natural We offer a broad range of services.

'Diverse and comprehensive spectrum' is brochure padding; 'a broad range of' is enough.

Words that usually travel with it.

'Narrow range' means only a few options or types.