Complete each sentence with the correct tense of the verb in parentheses----- Nội dung ảnh ----- Đây là nội dung của bức ảnh: ``` III. Complete each sentence with the correct tense of the verb in parentheses. 1. During the course, we learnt (survive) ______ in forests. 2. If only my father (can help) ______ me solve this difficult problem. 3. __ you (ever participate) ______ in a photography club? Join us and you will learn how to take wonderful photos. 4. It's necessary for young people (know) ______ about our history. IV. Read the passage and fill in each gap with a suitable word from the list. Longer – exercise – convenient – cereal – production – fresh. There are differences in terms of food habits between past and present lifestyles. People used to grow food like fruits, vegetables, and (1) ______. They raised fish in ponds and livestock on farms. They always had (2) ______ food. Their diet contained a lot of vegetables and fruits. They were, therefore, healthier and didn't need much extra (3) ______ because their daily work kept their bodies running. They had few diseases, especially those related to their digestive system. At present, technology has turned agriculture into mass (4) ______. Pesticides are used to assure fruitful crops. People keep their food in the fridge for some days or weeks before using it. Ready-made food at markets uses preservatives to keep it (5) ______. People eat more spicy fried food. Fast food is another major factor in modern food habits. Although many people find it (6) ______, it leads to many health conditions. As a result, people now are less healthy and suffer from more diseases. ``` |