Correct answer: A
Knowledge of conjunctions
A. In addition: add to it
B. However: however
C. In contrast: on the contrary, contrary to
D. In case: in case; in case
“To certain minds, many families can’t share the housework whereas they should try it. In fact, sharing the housework equally is not very possible because of the families’ timetable. So, it is somehow believed that children and parents must do things together. For this they can establish a housework planning. (28)_________, housework’s contributions of the teenager make him more responsible.”
From certain points of view, many families cannot share housework when they should. In fact, sharing household chores equally among members seems impossible because of family schedules. Therefore, in a way it is believed that children and parents must do everything together. To do this they can set up a schedule for housework. In addition, young people’s housework contributions also make them more responsible.
Because the two paragraphs are connected with each other’s ideas, we choose A.