问题详情：
1．Many of the students dream of ________(explore)Mars when they grow up.
2．There are not ________(science)explanations for the existence of UFOs at present.
3．Then came the ________(disturb)news that Dolly had become seriously ill.
4．I was late in getting to the station，but ________(fortune)for me the train was late，too.
5．I broke the window，so I was forced to clean the classroom as a ________(punish)．
【回答】
oring ntific urbing unately shment
知识点：完成句子
题型：单词拼写
