Ai giúp em với ạ em hứa vote 5 sao và câu trả lời hay nhất ạ Verb form 11. Neither John nor his friends ( be ) going to class today. 12. Not studying ( have ) caused him many problems. 13. Twenty dollars ( be ) too much to pay for that shirt. 14. That he has passed the final exam ( make ) his parents happy. 15. The effects of alcohol drinking ( have ) been proved to be extremely harmful. 16. The majority ( believe ) that we are in no danger. 17. The majority of the students ( believe ) him to be innocent. 18. Not only he but also his children ( like ) this film. 19. This pair of scissors ( be ) dull. 20. Whatever ( happen ), remember to be calm.