---We can use MSN to communicate with each other online．

---Good!Will you please show me ______ it?

1. A.
   what to use
2. B.
   how to use
3. C.
   when to use
4. D.
   where to use

-We can use MSN to ________ with each other on the net.

-Really? Will you show me how to use it?

1. A.
   speak
2. B.
   talk
3. C.
   say
4. D.
   tell

We can use MSN to ________with each other on the net.

1. A.
   speak
2. B.
   talk
3. C.
   say
4. D.
   tell

--We can use MSN to chat on line．

--Good! Will you please show me           it?

A．what to use          B．how to use          C．when to use         D．where to use