I want to know ______ for the class yesterday morning.
| A．why did you come late | B．why you came late |
| C．why do you come late | D．why you come late |
It is useful book. I borrowed it from school library.
| A．an ; a | B．a ; an |
| C．an; the | D．a ; the |
— You can use MSN to talk with Maria on the Internet.
— I know. But can you tell me ________?
A. when I can use it
B. what I can use it
C. how can I use it
Which sign tells us the way to go out of a building?
A. B. C.
I don’t know if she ______.If she ______, please let me know.
A．comes, comes
B. will come, will come
C. will come, comes
—The boy can speak both English and Japanese ______ he is only ten.
— Wow, what a clever boy!
A. if B. because C. though