If you put on more coal，the fire will ________.

The problem with people in Africa ____that the more is given and the more ______

e past five years, disasters like earthquakes and floods have struck our hometown, Sichuan, _______ in terrible losses to this “Land of Abundance”.

Hurriedly, they packed their belonging and set off ______the direction of the river

We ________ used computers years ago, but now they are everywhere.