---What you last weekend?---I wrote some letters and read a book.A. do doB. did doC. w

问题补充：

---What you last weekend?

---I wrote some letters and read a book.

A. do, do

B. did, do

C. will, do

D. have, done

答案：

A. do, do

(答案→)B. did, do

C. will, do

D. have, done

解析：句意：上周末你做什么了？——我写了几封信，读了几本书。结合语境可知上文描述的是现在已经完成的动作，故用一般过去时态。选B。