----- Nội dung dịch tự động từ ảnh ----- Exercise 1. Rewite the following sentences based on the given words in brackets. 1. John is one of Sarah's co-workers. (a) → 2. Sending voice messages is very convenient. (It) → 3. You need to finish your report before Sunday. (by) → 4. There is a webcam behind the computer screen. (front) - 5. Many teenagers like to meet on social networks rather than face to face. (prefer) -> 6. Can I borrow one of your tablets? (yours) -> 7. We often use Messenger on Facebook to make group calls. It's so convenient. (us) -> 8. Who does this portable speaker belong to ? (whose) -> 9. The Internet connection is slow here, so we can't get in the chat room. (Because) -> 10. These are my contact lenses. (mine) ->