(do things like) read books
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A. kinou wa, nani o shimashita ka?
B. hon o yondari hirune o shitari shimashita.
as for yesterday, what - did?
book - (direct object marker) - things like reading - nap - (direct object marker) - things like doing (nap) - did
A. What did you do yesterday?
B. I did things like reading a book and taking a nap and so on.