You should take off your shoes before you ＿＿＿ the new flat.

一Why do you appreciate her help so greatly?一Because her donation makes it possible for me        the dog Lucky.

My brother _____________ some of his free time playing basketball for the school team.

—Would you like something ______? —Yes. Some water , please .                                                                                     

Sandy feels unhappy because nobody seems to ______ her progress.