I went to the beach and ________ there.
great fun it is to fly in a balloon!
—It’s too hot. Would you mind _______ the door?—_______, please do it now.
It was exciting to see so many elephants__________.
—The Blacks have _________Hainan Island.—Oh,really? I have never_________there before.
- How long may I ________this book? - For about a week.