________ going to a language school, Andrew also went to the library almost every day and learned about 20 Chinese characters a day.
I don't think ________ possible to master a foreign language without much memory work.
Child as he was, he ________ a good idea to solve the problem.
With the development of science and technology, the prices of TV sets have ________.
Xu Beihong is most known ________ drawing horses________an artist.
The book, ________ for beginners,is popular with students.