Правильный вариант! 1. the floor is rather dirty, you must clean it (hard/hardly) 2. the floor is dirty, you (hard/hardly) cleaned it. 3. in some schools childreh (wear/are wearing) uniforms, but in my brother's school they (don't/aren't) 4. the boys in his class (wear/are wearing) uniforms today, but tom (doesn't/isn't) заранее огромное !
2. hardly
3. wear don't
4. are wearing isn't