单词拼写。（共50小题；每小题1分，满分5分）
Simon left his homework at home again. He is always doing everything c       (粗心地).
Hard work and good marks are the best p         (礼物) for Teachers’ Day.
On wet days l         (闪电) usually comes with thunder.
She wasn’t i         (邀请) to the party, so she had to stay at home yesterday.
The doctors were busy o         （手术）on the boy hurt in the earthquake.