Choose the sentence that best combines each pair of sentences given.

There is always conflict between parents and children. However, they still should talk and share things with each other.

Alice must not do all the housework.

Alice should not do all the housework.

Alice doesn't have to do all the housework.

Alice doesn't have to do the unnecessary housework.

The kids like Sundays if they don't have to get up early then.

The kids like Sundays although they don't have to get up early then.

The kids like Sundays so that they don't have to get up early then.

The kids like Sundays since they don't have to get up early then.

She is an honest but friendly person.

She is not only an honest but also a very friendly person.

Though she is a honest person, she is friendly.

Being honest is necessary to become friendly.

Many children move back to their parents' house, which makes high unemployment rate.

High unemployment rate forces many children to move back to their parents' house.

Moving back to their parents' house suggests that the unemployment rate is high.

It is necessary to move back to your parents' house if unemployment rate is high.

You shouldn't be worried, and you have prepared carefully for the test.

You shouldn't be worried, or you have prepared carefully for the test.

You shouldn't be worried, for you have prepared carefully for the test.

You shouldn't be worried, but you have prepared carefully for the test.

Some parents and children have different tastes in both music and fashion.

Some parents and children have different tastes in either music or fashion.

Some parents and children have different tastes in neither music nor fashion.

Some parents and children have different tastes in music but not fashion.