----- Nội dung ảnh ----- ``` 4. HERO a. He received a medal for his __________ in the war. b. They fought __________. c. She was described as a __________.
5. PRODUCE a. __________ of the new sports car has been halted by a strike. b. China is one of the world's leading __________ of rice. c. I'm afraid the talks were totally __________ on anything.
6. EXPLAIN a. An __________ leaflet is given to all purchasers of the machine. b. His disappearance is very strange, in fact quite __________. c. I think you owe me an __________ for your behavior.
7. COMPARE a. This is __________ better than that. In fact, there is really __________. b. Scientists have made __________ tests on the new drugs. ```