It wasn’t long _______ the two daughters of President Obama got used to the life in the White HouseA that B before C until D and
She is very good at playing ___ piano and now she is teaching ___ piano at a music school.
The children put on ___ one-act play last Saturday.___ play amused everyone of us.
The foreigner is learning ___ Chinese and he is sure that ___ Chinese language is very difficult.
It was ___ cool autumn night. ___ bright moon hung high in ___ sky.
When our teacher comes into the room, we greet him with ___ “Good morning.”