-Can you help me with the maths homework, mom?-You can't always ________others' help for your homework.Do it by yourself this time, dear.
.After they were given several terrible blows, the enemy did not _____ out after dark.
I thought it a pity __________ him to the tea party.
.A reward of 1,000 dollars will be given ________ can find the lost child.
.So often ______ in recent years that it has almost become a rule.
.The farmer who admitted ______ the tiger was severely punished.