_________________________________(答案：wrote)
_________________________________(答案：swam)
_________________________________(答案：taught)
_________________________________(答案：hid)
_________________________________(答案：sent)
_________________________________(答案：spoke)
_________________________________(答案：met)
_________________________________(答案：thought)
_________________________________(答案：rode)
_________________________________(答案：flew)
_________________________________(答案：began)
_________________________________(答案：went)
_________________________________(答案：visited)
_________________________________(答案：played)
_________________________________(答案：studied)