把David介绍给别人时，应说:

1. A.
   This's David．
2. B.
   She is David．
3. C.
   That's my David．
4. D.
   This is David．

把David介绍给别人时，应说:

a. This is Jim.　　 b. Let’s go.   c. Nice to meet you, too.    d. Fine, thanks   e. Hello!

Tom: Hello! Jim.

Jim:  1   Tom.

Tom: How are you?

Jim:  2  , and you?

Tom: Fine, thank you . Oh, Jim, this is my friend, Sam.  3 

Jim: Nice to meet you.

Sam:  4 

Tom: Well, Jim, we want to play football. Would you like to go with us?

Jim: Oh, yes, It’s very nice.  5 

汉译英

把你介绍给他________