We tried ______ to persuade him to stayhome, but at last, he went to the construction site despite his bad illness.

Everyone should learn something about first aid, because every second _________ in an accident.

Although the teacher had told Bob the history of telephone, Bob didn’t know when ____.

Compared with that article, this article is but not _.

Why are you in such a hurry?— Don’t you remember we ____ be home by 8 pm. to see our favorite TV show?[ ]