--- May I open the window to let in some fresh air?
---- ______.
| A．Go ahead | B．Take care | C．Come on | D．Hold on |
---Will you take these shoes?
---No, they don’t fit me. Show me_____.
| A．another one | B．any others | C．the other | D．some others |
---Do you have Mary’s address?
----Sorry, I don’t have it ___ me at present.
| A．to | B．on | C．for | D．from |
A lack of ____ of cultural differences to local customs can cause problems.
| A．existence | B．revolution | C．awareness | D．evidence |
______ that he has no qualifications in business management , Ken plans to gain the necessary skills by taking a part-time course.
| A．Concerning | B．Concerned | C．Being concerned | D．To concern |
_____ he met with the difficulty did he realize the importance of group work.
| A．Even though | B．Never until | C．Only before | D．Ever since |