My parents were worried________my little brother’s health.
At weekends I prefer______ at home _____ a good rest.
-- Will you hold a party in the open air?-- I'm not sure, because it ___ the weather.
_______ the little girl was hit by a truck, nobody gave a hand to the girl ______ an old lady appeared. Why were they so cold-hearted?
—She didn’t make ______ great progress,did she?_______,although she did her best.
I think it's well worth ______ our best to learn a second language well.