People have planted a great many trees in order to ____wind and sand in the desert.
The person changed his clothes and wore dark glasses to avoid __________.
___Do you like the material ? ___Yes, it ________very soft.
After a whole day’s heavy work ,the old worker returned home ,______________________.
--- Do you think our volleyball players played very well in yesterday’s match? --- ____. They couldn’t have done better.
The boss asked him to leave; _____, he was fired.