----- Nội dung dịch tự động từ ảnh ----- Read the information about plastic. For questions 11-20, put the verbs in brackets into the correct tense. You need to use the present simple, active or passive. Example: (0) is seen Plastic (0) is seen (see) by many as a cheap and effective way of making many different products. However, this opinion is now starting to change as more and more problems that (11) (cause) by plastic are discovered. Some materials that (12). !(use) by humans are recycled by nature (metals, paper, cardboard, for example). Plastic, however, (13) (last) for many hundreds of years. When plastic (14) (throw) away, some of it (15) |(end) up in our rivers and oceans. Plastic (16) |(break) down over time into smaller and smaller pieces by the sea water. Animals living in the seas and rivers mistake the plastic for food and accidentally (17) (eat) it. This then (18) (damage) parts of the animals' bodies. Also, many creatures that live in the sea (19) (become) trapped in the plastic, which (20) (kill) them.