The roof of this house is made of thatch.

My father is a doctor.

Day after day, he continued to strive to solve the problem.

The central processing unit of this computer is very fast.

My father likes to tell dad jokes.

My uncle is a dairy farmer, and he takes care of cows every day.

The success of this project greatly depends on our flexibility.

There is Christmas in December.

There is Halloween in October.

Let's have lunch at twelve o'clock.