根据句意，用所给词的正确形式填空，每空一词。

小题1:His grandfather’s sudden      (dead) made him feel shocked.

小题2:As I was working on the plan, she thought of that      (surprise) ending.

小题3:Tom lives much      (far) from school than I.

小题4:His      (boss) son was attacked with a knife last Friday.

小题5:Mrs. Curie (居里) received the Nobel Prize      (two) during her life time.

简述二期北伐（1928年）过程。