1. When did Siwen's parents receive her letter?
   a The morning of September 17th.
   b The evening of September 20th.
   c The morning of September 25th.
   d The evening of September 25th.
   
2. What did Siwen and Aiwen's older brother and sister say?
   a They miss Siwen and Aiwen.
   b They never thought Siwen and Aiwen could improve their Chinese so quickly.
   c They were very happy to read Siwen and Aiwen's letter.
   d They look forward to seeing Siwen and Aiwen on Saturday.
   
3. Why is Siwen and Aiwen's younger brother happy?
   a Because Siwen and Aiwen are not living at home anymore.
   b Because they have an extra bedroom.
   c Because they can invite their friends over.
   d Because Siwen and Aiwen are coming home on Saturday.
   
4. What will Siwen and Aiwen's mother do if they don't have enough money?
   a She will advise them.
   b She may give them more money when they come home on Saturday.
   c She will definitely give them more money immediately.
   d She may send them more money.

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