— At what time did you _______ theoffice— Oh, sorry. I didn’t pay any attentionto the time when I came in.

If you cut ______ by accident, you can put some_________ on the cut.

(2013·安徽，21)From space, the earth looks blue.This is ________about seventy－one percent of its surface is covered by water.

I prefer acting on the stage to ________ in the sports fields.— It seems that you are talented in all kinds of art and sports.

Only when he was refused by the interviewer ____ theimportance of knowing English.