1、
2、
Complete the following sentences by filling the blanks with proper prepositions and adverbs.
用适当的冠词和副词填空,完成下列句子.
《简明英汉词典》
3、
Personal pronouns, link verbs, conjunctions and prepositions are usually not stressed.
人称代词 、 联系动词 、 连接词和介词通常不重读.
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4、
