Read the sentences and decide which part of speech is missing.

Choose the correct option.

I'm ____ late for class. I always arrive on time. [Adverb|Preposition]

She goes to bed ____ ten o'clock. [Adverb|Preposition]

How ____ do you watch YouTube? [Adverb|Preposition]

Complete the sentences with the following words: at, often, never. Each word can be used only once.

Write one word in each gap.

I'm [ ] late for class. I always arrive on time.

She goes to bed [ ] ten o'clock.

How [ ] do you watch YouTube?