就在这时 (Jiù zài zhè shí) or 突然间 (Tū rán jiān) Pro-Tip for Your Activity Book Huo Dong Ben asks you to "complete the paragraph," look at the
, which is the standard Chinese activity book used in Singapore schools, can be tricky since these teacher-edition answer keys are not typically sold to the general public. huo dong ben answers p6 best