Use of English: choose correctly present perfect or present perfect continuous tenses in necessary forms ⦁ We ( to wait) here for over two hours.
⦁ Helen ( to write) just the letter to her friend.
⦁ He (not send) me a lot of mail
⦁ They (use) an Internet
⦁ We (download) videos.
⦁ My mum (create) a blog
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