Mr. Smith is as busy as a bee.—– If he is not working in his office, he _________ to his office.

Heavily______ it is raining outside, people are still looking forward to not canceling the outdoor concert by the pop singer.

We ____ that the magazines you have borrowedbe returned to the school library before the end of this month．

May I go to the zoo with you next Sunday—No, you can’t, you have a ticket. I have only one ticket.

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 .