﹣Can you go bike riding with us on Saturday？
﹣﹣_______（ ）
| A． |
Thanks a lot． |
| B． |
Sure， catch you on Saturday． |
| C． |
No， I can't go bike riding． |
| D． |
It doesn't matter． |
Hong Kong is __ the south of China， it's one of the busiest cities in the word．（ ）
| A． |
in |
B． |
on |
C． |
at |
D． |
to |
My sister practices playing ___ piano for the coming talent show．（ ）
| A． |
a |
B． |
an |
C． |
the |
D． |
/ |
Ben， could you tell me____？
He's my cousin from Shenzhen（ ）
| A． |
who he is |
B． |
where is he |
| C． |
who is he |
D． |
where he is |
New China was set up in 1949．
Every Chinese knows her 70 thbirthday is____October 1． 2019（ ）
| A． |
in |
B． |
at |
C． |
on |
D． |
by |
Wow!____clean air we have today!
Yes． Look! A lot of adults are doing kung fu over there（ ）
| A． |
How |
B． |
What a |
C． |
How a |
D． |
What |