Only when Lily walked into the office ______ that she had left the contract at home.
| A． | she realized | B． | has she realized |
| C． | she has realized | D． | did she realize |
25. Because of long –time _________ from other continents, Australia owns its special animals.
| A．separation | B．division | C．movement | D．Connection |
24. The girl was determined to marry the young man she fell in love with, _______ her parents’ disagreement.
A. by means of B regardless of C. due to D. in favour of
23. Speed of cars is measured ________kilometres per hour.
| A．on | B．in | C．by | D．to |
22. –Jinlin Hotel. Can I help you?
--Do you have a room ________ for this weekend?
| A．sensitive | B．present | C．available | D．Absent |
21. Mary was so ___ in aprreciating the beautiful view that she didn't realize the weather was____.
| A．absorbing, frozen | B．absorbing, freezing | C．absorbed, frozen | D．absorbed, freezing |