Will $500________—I’m afraid notWe need at least 300 dollars

There _____ a lot of coal mines in the south, but many of them have been closed or are _____ be closed.

sked if he was disappointed with his failure ____ the gold medal, the athlete responded just with a smile.

I _____ when it began to rain．

It seems as if the sun ____ round the earth since it rises in the east and sets in the west. [ ]