15.C。break为及物动词, 与主语构成动宾关系,所以用被动语态形式was
broken。
Have you ever seen the advertisement: Learn a
foreign language in six weeks, 1 give your money back?
Of course, it 2 happens quite like that. The only
language 3 to learn is the mother language. And
think 4 practice is needed for that. Before the Second
World War people usually learned a foreign language 5
the literature(文学) of the country. Now
most people want to 6 a foreign language. Every year
millions of people start learning 7 .
How do they do it? Some people try at
home 8 books and tapes, others go to evening classes or
watch TV programs. 9 they use the language only 2 or 3
times a week, learning it will 10 a long time, like
language learning at school. A few people try to learn a language fast by
studying for 6 or 11 hours a day. It’s much easier to
learn the language in the country where it 12 . But most
people are 13 to do this, and many people don’t
have to do so. Machines and good books will be very 14
, but they can not do the students’ work. 15 the
language is learned quickly or slowly, it is hard work.