—Do you mind __________ alone at home?— Not at all. She is old enough to take care of herself.
One of the best ways for people to keep fit is to ______ healthy eating habits.
I’m sorry to say you didn’t pass the exam-- ______, you won’t receive the diploma.
—John, why are you so tired? —I ______ pingpong with Jimmy.
_______ I explained on the phone, your request will be considered at the next meeting.
Prices of daily goods ______ through a computer can be lower than store prices.