A. On the weekends, we cook dinner together as a family. B. Oftentimes, our family travels to monuments and museums. C. Game nights have been on Monday nights for a while. D. The Solis family created a new tradition for the holidays.

B. Oftentimes, our family travels to monuments and museums.

Explanation:

Oxymoron is a figure of speech in which contradictory words are placed in the same sentence. These contradictory or opposite ideas bring a literary effect and helps the writer present the ideas more exclusively.

The sentence in option (b) presents an example of an oxymoron. The words that present the opposite or contradicting ideas are 'often' and 'times'. The family here travels to monuments and museums 'oftentimes' that brings the meaning of 'often' and 'times'.

1- cleans/ tidies up

2- were

3-would be

4- had known

5-takes

6-must be/ have to be/should be

the use supports it by making it seem like the dictators are not bad to the people when the truly are.