During the opening ceremony, “Miss Smile” has won the hearts of Chinese Internet users after being caught _____ the same smile for nearly 20 minutes．

______ around the cultural relics for almost an hour, we got together under a big tree for a short break.

Three years ago in Beijing, my best friend, David, was hit by a car while riding a bike, _______ a terrible brain injury.

All her time _______ experiments, she has no time for films.

Everyone in our class works as hard as they can ________ to enter a good college.

______ by his grandparents in the countryside, he isn’t used to _______ in the city.

The old man came         to the  railway station，only          the train was slowly pulling out of the station．

Time should be made good use of ___ our lessons well.

You’d better go to bed. There isn’t anything on TV worth ________ up for.

For breakfast he only drinks juice from fresh fruit ___ on his own farm.