.When_________different cultures, we often pay attention only to the differences without noticing many similarities.
| A．compared | B．being compared | C．comparing | D．having compared |
13. --May I put my luggage on the seat beside you, sir?
--__________.
| A．Sure, with pleasure | B．Oh, please yourself |
| C．Well, never mind | D．It’s my pleasure. |
12.So absorbed__________in her work that she didn't realize I was behind her.
| A．did she | B．was she | C．she did | D．she was |
11.It will take us another five years______the construction of all the 121 roads is completed.
| A．when | B．since | C．before | D．After |
10. Mr. White was so angry at all______Bill was doing________he walked out.
| A．that; which | B．that; that | C．what; that | D．which; that |
9.Loulan City is not at all__________a traveler who has never seen the desert before can expect.
| A．that | B．what | C．which | D．Where |