My son is _______ years old． Today is his _______ birthday．（ ）
| A． |
twelve； twelve |
| B． |
twelve；twelfth |
| C． |
twelfth；twelve |
Her birthday is ______ winter，the most beautiful season in a year．（ ）
A．inB．atC．on
The twins are in different classes．One is in Class One and ______ is in Class Two．（ ）
A．anotherB．otherC．the other
The Chinese team are working hard ________ honors in the 2016 Olympic Games．（ ）
A．to winB．winC．winning
Now smart phones _______ in many ways in our daily life．（ ）
A．are usedB．is usedC．are using
What are you doing，Tim？
I am listening to the song Long Live _______ makes me feel excited．（ ）
A．whichB．whoC．/