Question

Which sentence has an intransitive verb? Many winter sports require balance and agility. The ski patrol helps sick or injured skiers. Some people bring snowboards to the ski slopes. Winter storms arrive suddenly in the mountains. Description

Answer 1

An intransitive verb is a type of a verb which doesn't need a direct object after it. As you can see, sentences A, B, and C have direct objects following a verb (A: balance and agility; B: sick or injured skiers; C: snowboards to the ski slopes) which means they all have transitive verbs.
Therefore, the correct answer is D. Winter storms arrive suddenly in the mountains.