1. Please be quick, or you       (be)late for the meeting.
2. The bus       (leave)when I got to the bus stop.
3. The dictionary must       (take)good care of.    
4. Either you or she        ( have) made a wrong decision.
5. Joanna received many        (gift) when graduating from middle school.
6. Alex is        (fourth) years old and is taken good care of in the kindergarten.
7. Whose school uniform is that on the chair, yours or       (his)?  
8. It was       (difficulty) for human beings to protect weather in the past.  
9. There is a beautiful       (paint)on the wall in each room of my house.  
10. You need to explain your opinions quite        (clear) when having a debate.