challengeC ．A ． knowledgeB．development

difficulty．D

（已提交）C.D. 答题：A.B.

D参考答案：

问题解析：

)单选题5.(People use more words when they

______ with each other.

associatecommunicateA ． completeB．C ．cquireD．

（已提交）B.C.D. 答题：A.

B参考答案：

a

问题解析：

How are you doing, Frank? )6.(单选题― _______________―

D. ItB. How do you do?C. Great, thanks!A. How

are you doing?s'

nice meeting you!

（已提交）B.A.答题：C.D.

C参考答案：

问题解析：

Hi, it is nice to meet you!单选题7.( )―

―______________________

D.A. Nice to meet you, too.B. Fine, thank you!C. Good to you.

How are you?

..........

...

（已提交）D. A.B.C.答题：

A参考答案：

问题解析：

Hello, I― 8.(单选题 )m Robin.'

_______________ My name is Anna.―

D.C. You can call me Bob.A. How are you?B. How

do you do?

Fine, thanks.

（已提交）C.D. 答题：A.B.

B参考答案：