【原创】____________professional violinist practices for several hours a day, but____________ violinist has his own way of playing the Beethoven concert.
Keep me _____of the latest news.
As a young man, Comrade Zhou Enlai ________ the students' movements and later ________ the Communist Party of China.
The questions which are ________ to yours are not easy to answer.
There must be ________ with the computer.
About six months later,the letter they were looking forward to ________at last.