—Mr. White has decided to explore in the forest by himself.—He __ ask his brother to if he ___ go walking in the forest.
If you are unable to attend the meeting, for ____ reason, you should inform us immediately.
Whom does the money the government spends ______, the farmers, the workers or the businessmen?
. Several weeks had gone by ________ I realized the painting was missing.
The teacher asked a difficult question, but finally Ted _____ a good answer.
Opportunities are always _______ as long as we use our minds.