_______sweet the flowers smell in spring！
Yes，many tourists come to enjoy them every day．（ ）
| A． |
What |
B． |
How |
C． |
What a |
D． |
How a |
It is our duty to protect the environment．（ ）
A．直接宾语B．间接宾语C．形式主语D．真正主语
The quiet music makes me relax．（ ）
A．宾语B．状语C．宾补D．定语
The food in the restaurant is delicious．（ ）
A．表语B．宾语C．主语D．谓语
I visited the zoo last Sunday．（ ）
A．主语B．谓语C．状语D．宾语
Steve， you've made a lot of progress in Chinese．
_________．（ ）
| A． |
Good luck |
B． |
Not at all |
| C． |
That's right |
D． |
Thank you |