The duties of a policeman are _____ than ____ .
| A．dangerouser ; a teacher | B．more dangerous ; a teacher |
| C．greater danger ; those of a teacher | D．more dangerous ; those of a teacher |
____ , the boys were shouting and singing.
| A．Happy and excited | B．Happily and excited | C．Happily and excitedly | D．Happy and excitedly |
They appeared ____me, so I had to explain to them.
| A．misunderstanding | B．misunderstood | C．to be misunderstood | D．to have misunderstood |
Fans from miles around crowded into the stadium for the concert of Jay Chou on September 4th, 2010,____ are popular with teenagers.
| A．many of his songs | B．many of whose songs | C．many of which songs | D．and many of whose songs |
The coffee is wonderful! It doesn’t taste like anything I ____ before.
| A．was having | B．have | C．have ever had | D．had ever had |
The storm left, ____ a lot of damage to this area.
| A．caused | B．to have caused | C．to cause | D．having caused |