11. It has been suggested that there________a tax exemption on the income of the poor. A. been B. is C. will be D. should be 12. The little boy demands that she________to buy a car in the toy store. A. allow B. allows C. allowed D. be allowed 13. It is necessary that he________the book in advance. A. read B. reads C. to read D. will read 14. The doctor suggests you________too much alcohol. A. drink B. should drink C. not drink D. be drinking 15. The manager insists that all employees________ when the President comes in. A. standing B. be standing C. are standing D. will be standing 16. Its about time you________harder for the exam. A. work B. are working C. worked D. have worked 17. It is important that an efficient worker________his/her work on time. A. can finish B. finishes C. has finished D. finish 18. Its important that he________to take her medicine twice a day A. remember B. remembering C. to remember D. remembered 19. I suggest that John________the directions carefully before assembling the bicycle. He doesnt want the wheels to fall off while he is riding down a hill. A. reading B. to read C. read D. have read 20. Mrs. Mary demanded that the heater________immediately. Her apartment was freezing. A. repaired B. be repaired C. repair D. repairing 21. Its vital that the United States________on improving its public education system. What we do now will affect our country for generations to come. A. focuses B. focus C. focusing D. to focus 22. The monk insisted that the tourists________the temple until they had removed their shoes. A. not entering B. not to enter C. not enter D. entered 23. I am not going to sit here and let her insult me. I demand that she immediately________for what she just said. A. apologize B. apologizing C. to apologize D. apologized 24. Tom asked that we________her graduation ceremony next week. A. attended B. to attend C. attend D. attending 25. Was it really necessary that I________there watching you the entire time you were rehearsing for the play? It was really boring watching you repeat the scenes over and over again. A. sits B. am sitting C. be sitting D. to sit 26. It is important to remember that Jenny________very differently from you. She may not agree to the changes you have made in the organization of the company A. think B. to think C. thinks D. thinking 27. Its a little difficult to find the restaurant. I propose that we all________together so that nobody gets lost along the way. A. is driving B. drive C. to drive D. driven 28. It is essential that Lucy________her multiplication tables. A. to learn B. learning C. learn D. learns 29. If only I________able to read Japanese! A. was B. were C. am D. will be 30. It is important that he________a gallon of water with him if he wants to hike to the top of the mountain. A. taking B. take C. took D. takes Giups em vs ạ và và em sẽ cho bài hay nhaatsneeus có câu trả lời và giải thích đàng hoàng