Adverbs of frequency

Order the following sentences, which contain adverbs of frequency.

1. Which sentence is correct? ____

A. Our teacher is often late.

B. Our teacher often is late.

C. Is often our teacher late?

D. Often our teacher is late.

2. Which sentence is correct? ____

A. Never we eat fast food.

B. We eat never fast food.

C. We eat fast food never.

D. We never eat fast food.