选用方框内合适的短语并用其正确形式填空(每个短语限用一次)。 add up, calm down, be concerned about, go through, set down 1. I could hardly wait to tell him the good news but I had to ______________ before I could speak. 2. You will never know what she ______________ to educate her children. 3. The police asked him to ______________ what he had seen last night. 4. ______________ these figures and see what the total is. 5. Although my parents ______________ my living alone, I know I need to be on my own.