French _________ English _________ having gender(性的区别) for all nouns.

 I won’t have anyone _______ in here. _________breaks the regulation will get punished. 

Mr. Brown didn’t believe that such a little thing could _____ much.

Science and technology is changing fast nowadays. I bought this MP3 player at the beginning of this year but now it's out of ________.

Don’t forget _______ all the lights when you leave the classroom.