8. I need help, doctor. My baby doesn't sleep well. What ________________ ? * 1 điểm A. should I do B. I should do C. had I better do 19. I'm going to visit your country. Where _______________ if I want to go shopping? 1 điểm A. ought to I go B. should I go C. I should go 20. The airline only allows two pieces of luggage. You _________________ pack too much or you will have to take it out at the airport! * 1 điểm A. had better not B. had not better C. not better 21. My mother isn't feeling well, so I told her that she _______________ to the doctor. * 1 điểm A. ought to go B. ought go C. ought 22. You _________listen carefully. * 1 điểm A. had better B. ought to C. should 23. Nam_______ to be nicer to his brother. * 1 điểm A. ought to B. should C. had better 24. You_________ submit your assignment on time, or you will get zero. * 1 điểm A. should B. had better C. ought to