Which of the following is correct? It's very course in its humour

It's very coarse in its humour

Which of the following is correct? They wore coarse linen dresses

They wore course linen dresses

Which of the following is correct? He owns a golf course

He owns a golf coarse

Which of the following is correct? Mix the soil with coarse sand

Mix the soil with course sand

Which of the following is correct? They cultivated course grains for food

They cultivated coarse grains for food

Which of the following is correct? The wool's too course for clothing

The wool's too coarse for clothing

Which of the following is correct? He wore a shirt of coarse cloth

He wore a shirt of course cloth

Which of the following is correct? His language is vulgar and coarse

His language is vulgar and course

Which of the following is correct? The ship changed coarse

The ship changed course

Which of the following is correct? My car careered off course

My car careered off coarse