Eating ________ and doing more sports are good ways to keep fit.

Mary ______ my letter; otherwise she would have replied before now.

Not until then ________ how important the brakes were.

I ____ so busily recently that I ____ no time to help you with your maths.—That’s OKI can manage it by myself

ou receive the letter the next day—No. Somehow, it was three weeks ________ I receivedit.