People in Korea _______bow when they meet for the first time.
| A．supposed to | B．are suppose to |
| C．are supposed | D．are supposed to |
The singer sang many songs, ________ some of my favorites.
| A．include | B．included |
| C．including | D．to include |
I like the house in ________ I used to live.
| A．that | B．which | C．where | D．what |
The book ________ be Tom’s. Look! His name is on it.
| A．have to | B．might | C．could | D．must |
---Come and join us.
--- I’m sorry, but I’m busy. If I ________ time, I would go.
| A．have | B．had |
| C．will have | D．have had |
Martin was once ________ “problem student”, but now he’s one of ________ top students.
| A．a, a | B．a, the |
| C．the, a | D．the ,an |