Is it cheap ______ from Qingdao to Beijing by train?
I used to _______ my dream. But now I get used to _______ doing everything. I’m successful at last.
Miss Gao has taught us English _______ two years. She has been here _______ five years ago.
_______ of the students _______ gone to the museum.
—Have you eaten up the food in your plate _______? —Yes. I’ve _______ eaten it up.
– Listen! Sally is singing in that room.-- It ______ be sally. She has gone to Paris.