—Why is he feeling disappointed today?—Because the suggestion he       has been turned down.

If we don’t take steps, some rare animals, such as the Tibetan antelopes and pandas will ____________ some day just as dinosaur. 

. Marry notices are placed in the park warning people to ____ the grass.

Don’t _____ to correct me if I made a mistake.

Since time is limited, let’s cut _____ the unimportant details.