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

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

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

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

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

Not only there is always conflict between parents and children, but 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.

Sue is so irresponsible that she cannot help her parents with the housework.

Sue is not responsible enough to help her parents with the housework.

Sue is so responsible a girl that she cannot help her parents with the housework.

It is irresponsible of Sue not to help her parents with the housework.

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.