When a teacher intends to introduce a new grammar item, which of the following strategies can be use

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【单选题】Whenateacherintendstointroduceanewgrammaritem,whichofthefollowingstrategiescanbeusedtogetstudentstonoticeit?

A、Transformation
B、Inputenhancement
C、Expansion
D、Substitution

参考答案:

B

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