_____ this kind of question often asked in your class,Ann?
A. Is B. Does C. Has
—Excuse me, when is the Christmas party of our school?
—This year, it's_______18:00_______ Monday evening.
| A．on, in | B．at, on | C．at, in | D．on, on |
---Your schoolbag looks very nice!
---.
| A．Thank you | B．Oh, no |
| C．No, don’t say so | D．You’re welcome |
--- Where _______ my books?
--- ___ on the desk.
| A．are , It’s | B．is , It’s |
| C．are , They’re | D．is , They’re |
I don’t like science _______ it’s difficult.
| A．but | B．so | C．because | D．and |
There ___ a book on the desk .
| A．are | B．is | C．have | D．has |