We must face the fact __________ our time is limited and we must cherish every minute.
| A．which | B．on which | C．that | D．why |
—I’ve got to go now.
—Must you? I ______you could stay for dinner with us.
| A．think | B．thought |
| C．have thought | D．am thinking |
I like this house with a beautiful garden in front, but I don’t have enough money to buy__________.
| A．one | B．it | C．this | D．that |
—May I open the window to let in some fresh air?
—___________
| A．Come on. | B．Take care. | C．Go ahead! | D．Hold on! |
--- Everyone says you are a good student. You never fall asleep in class?
--- .
| A．Yes, sometimes | B．Yes, I did | C．Yes, never | D．No, I didn’t |
When we are young, questions of _______we want to be when we grow up are common.
| A．which | B．who | C．what | D．how |