We had an art festival ________ April 20th， 2020．（ ）
| A． |
on |
B． |
in |
C． |
at |
D． |
for |
If you use mobile phone while driving， you by police．（ ）
| A． |
are caught |
| B． |
will catch |
| C． |
will be caught |
My father was watching TV while I to the radio．（ ）
| A． |
listened |
| B． |
was listening |
| C． |
am listening |
It often takes me two hours my homework in the evening． （ ）
| A． |
do |
B． |
doing |
C． |
to do |
I won the first prize in exam， So I was proud myself． （ ）
| A． |
in |
B． |
of |
C． |
at |
Daming in this place since two years ago．（ ）
| A． |
have lived |
B． |
has lived |
C． |
lives |