Keep trying; it will help you ______ your dream of becoming a doctor.
.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.