Question

9.        on New Year's Eve disappointed all his families (come)

他除夕夜回不来使他的家人都很失望。

Answer 1

9. That he couldn't come back/His not being able to come back本题考查主语从句。 he couldn't come back意义完整，所以用that引导。 that在从句中不充当任何成分，但不能省略。亦可用动名词短语作主语。