Above all, grammar is the most important in learning Japanese.

We need personnel who can handle any problem.

I can't rest easy until he comes back.

I'm very anxious until he comes back.

I can't rest easy when he doesn't come home.

Astoria is a beautiful city in Oregon.

My mother is my best friend.

My mother is cooking now.

My mother is my first teacher.

My mother is my first teacher.