There is a tall tree _______our classroom.
| A．in front of | B．in the front of |
| C．before | D．after |
– Do you know who cleaned the blackboard, Tina?
-- Yes. John _____.
A. do B. does C. did
_____ he was only twelve, he could run faster than any kids in the school.
A. Though B. Because C. If
– Do you know _____ this time yesterday?
-- Sorry, I don’t know.
A. what she is doing B. what was she doing C. what she was doing
– It’s an exciting movie. I’ve just seen it.
-- _____.
A. So do I B. So I have C. So have I
-- _____ nice day it is today! Let’s go out to play, shall we?
-- That’s a good idea.
A. How a B. What a C. How