It’s ______ of you to bring me some fruit. —My pleasure. Please make yourself at home, sir.

Remember to introduce your friend Stone to me when he arrives, ______?

Jack, how did itthat you made so many mistakes in your homework? —I myself haven’t figured it out yet!

The child asked his mother ______ go out to play tennis. [ ]

gineer buries himself in work all day long and has no time for some outdoor activities, __________ he has the interest.