Strategies are the invaluable ways and means of helping speakers to overcome communication breakdowns, to deal with trouble spots, and to enhance fluency.()

Communicative Language Teaching is the best known example of discourse theory.() 点击查看答案

—I have seen the film “Titanic”already. —When（）you（）it？

A.have；seen
B.will；see
C.did；see
D.had；seen

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