—Peter, you look so tired and wet all over!—Yes, all afternoon I ________ football on the playground.
Perhaps we need to clear away these books to make ______ for our new students.
The police have finally ______ the mystery (疑案).
You are required to write ______ so that we can see it clearly.
All the names of the guests are ______ in the list. I don’t forget any of them.
—Smoking is bad for your health. —Yes, I know. But I simply can’t ______.