摘要：Using the Present Perfect Progressive Tense.
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Complete the sentences using the present perfect tense of the verbs in brackets.
Emily ________ (forget) to return the book to the library.
查看习题详情和答案>>Complete the sentences using the present continuous tense.
Lisa and Ben are good friends. She ________ (study) English with him this year.
查看习题详情和答案>>Complete the sentences using the present continuous tense.
Mr Wang ________ (fly) to London this Saturday. He goes there once a year.
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