根据汉语提示完成句子

1. He should be able to read the word                                   (不用字典帮助).

2. They were accused                             (帮助他逃跑).

3.                                 (在……的帮助下)our English teacher, all of us in our class have made great

progress this term.

4. Through the speech, all the students present learned something about                    (急救).