解释+翻译,3Q
Teachingapronunciationclasstoamixedgroupoflearnerscan___ateacherwithmanychallengingpr...
Teaching a pronunciation class to a mixed group of learners can ___ a teacher with many challenging problems .
A .provide B .produce C .present D .offer 展开
A .provide B .produce C .present D .offer 展开
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