Michael_________in a school in Yunnan from February to June next year．（ ）
| A． |
teach |
B． |
taught |
| C． |
will teach |
D． |
was teaching |
To avoid making mistakes， please read the questions before you answer them．（ ）
| A． |
careful |
B． |
careless |
C． |
carefully |
D． |
carelessly |
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 |