—What about playing football this afternoon ?
--I prefer ________at home to ______out .It’s too hot outside .

—Why did you buy so many flowers?
--Because today is a special day.  My parents ________ for twenty years .

The scientist_______ everyone ______ our environment .

Tim is weak in math, so he is trying _________ up with other students now.

Every student in our calls is looking forward to ______a good future.

I must return the two books to the library. I _____ them for 20 days.

Usually soft colors make people __________.

It ________ him half an hour to drive home every day .

The dish looks good, but when I eat it, it ________very terrible.

I __________ this book for two weeks. I have to return it now.