It is very ______ that she will ring me tonight.

 With more and more farmers moving to cities, an inadequate labor force is    becoming a major factor affecting the country's grain output.

You can’t go out since you haven’t finished your homework；      ，it is a stormy night．

His report was so exciting that it was      interrupted by applause(鼓掌).

It seems that living green is  ______easy and affordable. A small step masks a big difference.