It’s _______ late _______ go there on foot now. I think you’d better take a taxi.
—Would you mind _______ me solve it? —_______.
Amy ____ the school library. She ______ books three times a week.
—Could you tell us _______?—About five minutes.
Thank you for giving us some useful advice _______ how to deal _______ the problems.
Things made of plastic are usually _______, but they are _______ to get polluted.