You shouldn't open the window unless you have to.
I would travel more if it wasn't so expensive.
He's thinking of going to Alaska this year.
They don't deliver the letters themselves. They use a separate delivery service.
Unfortunately, I wasn't able to complete the task.
It's a strange taste, but you get used to it.
There could appear a mistake in your calculations.
She is studying to become a doctor.
I broke the ice by speaking to him first.
We reported our findings to the chairman and he approved.
It's important to keep an eye on the exchange rate when traveling abroad.
She donated half her salary to charity.
Is that your suitcase? - Yes, that is my suitcase.
Who is that? That is the teacher.
I would like you to make me a copy of that.
My teacher was born in Japan.
It's strange that we have the same birthday.
Could you please pass on the message?