Although the Yangtze is the longest river in China，it is ______ than the Nile，the longest river in the world.
| A． |
short |
| B． |
shorter |
| C． |
the shortest |
Mr． Black's speech is______．It helps us have a better understanding of life．（ ）
| A． |
silly |
B． |
awful |
C． |
excellent. |
My cousin and I often walk to the______to see pandas on weekends．（ ）
| A． |
bank |
B． |
zoo |
C． |
market |
Chinese learning is popular with people all over______world．（ ）
| A． |
a |
B． |
/ |
C． |
the |
It's time______class． Lets go into the classroom．
OK．（ ）
| A． |
for |
B． |
of |
C． |
in |
找出画线部分与其他单词发音不同的选项．（ ）
| A． |
knee |
B． |
knock |
C． |
kilo |