So difficult ___________ it to live in an English-speaking country that I determined to learn English well.
He got up late and hurried to his office, ________ the breakfast untouched.
We _________ the difficulty together, but why didn’t you tell me?
________ at the door before you enter my room, please.
________ with care, one tin will last for six weeks.
— Can I have a day off tomorrow, Mr. Johnson? — ________. I can manage without you.