用重叠式改写句子（Rewrite the phrases using the reduplicated form). (Note:"了"should be inserted for a past event; "一" is optional for monosyllabic verbs but should be left out for diasyllabic verbs and for past actions.)
Or log in to play for credit.
This activity is tracked by Zhang laoshi. If you are in Zhang laoshi's class, please log in for credit:
