Is there any possible way to help them get rid of such a bad habit—To tell the truth, it’s very hard. But we ________ on this problem, trying to improve the situation .

Harry Potter stories are____both the teenagers and adults.

questionnaire, the subjects arequestioned whether they ________ no smoking in the public area.

We should _____ the power when our TV or computer is not used.

Although ______ the support of the banks, Mike managed to save his company with the help of his friends.