There are trees and plants _________the classroom.
| A．in front of. | B．in the front of |
| C．between | D．under |
—Excuse me, may I take a seat here?
—________. The man on the seat has left.
| A．You'd better not | B．No, thanks |
| C．Yes, please | D．I'm afraid not |
—What did you say just now?
—I asked __________.
| A．that I could open the door |
| B．how I could open the door |
| C．how could I open the door |
| D．could I open to the door |
—Did you have any problems in Britain?
—Yes, _______with foreigners.
| A．to communicate | B．communicate |
| C．communicated | D．communicating |
—Whose book is this?
—It ________be Mary's. J. K. Rowling is her favorite writer.
—No, it ______ be hers . She never brings novels to school.
| A．may, mustn't | B．can; can't |
| C．must; can't | D．must; mustn't |
—I can't find any ______to show my thanks to you.
—You are welcome.
| A．picture | B．energy | C．food | D．expressions |