In order to learn a foreing language well, it is necessary to overcome the fear of making【

21】. If the primary goal of language use is communication, the mistakes are【22】consideration that may be dealt【23】gradually as awareness of those mistakes increases. On【24】, students should not【25】their mistakes. The learner may observe how native speakers express themselves, and how【26】expressions differ from the way the learner might say them. For example, a Spanish speaker who【27】"I do it." to express willingness to do something in the immediate future, could, by interacting(相互作用)【28】native speakers of English, observe that native speakers actually say "I'll do it". The resulting discrepancy(不同)can serve as a basis for the student to modify(修改)his way of using the present tense in English. But a student who is unwilling to interact【29】the first place would lose this opportunity to learn by【30】and error.

(51)

A．mistakes

B．flaws

C．errors

D．wrongs