mấy bạn giúp mình nhé chứ nếu ko mình đặt câu hỏi ko ai trả lời thì mất điẻm của mình á :( 37. Student/ must/ do homework/ before going/ school A. Student must do homework before going to school. B. Student must doing homework before going to school. C. Student musts do homework before going school. D. Student musts does homework before going school. 38. There/ be/ some orange juice/ and/ some milk / to drink A. There are some orange juice and some milk to drink. B. There is some orange juice and some milk to drink. C. There aren’t some orange juice and some milk to drink. D. There isn’t some orange juice and some milk to drink. 39. How many/ book/ be there/ on the desk? A. How many book are there on the desk? B. How many book is there on the desk? C. How many books are there on the desk? D. How many books be there on the desk? 40: Her cousin/ often talk/ about some natural wonders/ Viet Nam. A. Her cousin often talk about some natural wonders of Viet Nam. B. Her cousin often talks about some natural wonders of Viet Nam. C. Her cousin often is talking about some natural wonders of Viet Nam. D. Her cousin talks often about some natural wonders of Viet Nam.