Mr. Ookubo is my friend.

In this museum, wonderful relief carvings are on display.

I applied for a job at that company.

I applied for a new job.

We went to the cemetery over the weekend to visit our grandfather's grave.

Front vowels are an important element in English pronunciation.

A front vowel is a vowel that is articulated with the front part of the tongue.

Back vowels are an important element in English pronunciation.

A central vowel is a vowel where the position of the tongue is in the middle.

A back vowel is a vowel that is pronounced at the back of the mouth.