Fred, who had expected how it would go with his daughter, had a great worry______ his mind. A. on S. in C. with D. at
. 11. Tom wanted to play football after school, but Jack told him ______.
. You can take as many as you can because they are free of ______.
. I don’t think ______ possible to master a foreign language without much memory work.
. The singer became famous in the early 1980s, ______ the classical music was better than pop music.
. ---How long have you _______? ---5 years.