Tthe doctor advised her to wear flat shoes _____herback problems.

Will there be a new library in our school—Yes, _____. And we can have more books to read.

With more and more farmers moving to cities, an inadequate labor force isbecoming a major factor affecting the country’s grain output

The poor man , ________，ran out of the dark cave.

There is a real possibility that these animals could be frightened, ______ a sudden loud noise.[ ]