sự hòa hợp giữa chủ ngữ và động từ giải thích giúp mình luôn ạ 21. If anyone______, tell him I'll be back later. a. was calling b. called c. call d. calls 22. Each of the boys______ a book now. a. have b. has c. had d. are having 23. Two-thirds of the money______ mine now. a. is b. are c. was d. were 24. About 60% of students in this class ______ from China. a. was b. were c. are d. is 25. A number of sheep______ eating grass now. a. are b. is c. was d. were 26. The number of books in this library______ large. a. are b. is c. was d. were 27. Either you or I ______ wrong. a. am b. is c. are d. were 28. Neither my gloves nor my hat______ with this dress. a. is going b. are going c. goes d. go 29. The poor living her______ help. a. is needing b. are needing c. need d. needs 30. Several of the students ______ absent yesterday. a. has been b. had been c. were d. was 31. The professor said that Vietnam ______ to South-East Asia. a. has belonged b. has belonged c. belonged d. belongs 32. He______ he had read that story - book before. a. told b. has told c. had told d. said 33. His choice of words______ very good. a. are b. be c. is d. being 34. Anybody who______ my keys will be given a candy. a. find b. finds c. are finding d. found 35. The Browns ______ here since 1950. a. are living b. have lived c. have been living d. has been living 36. John, as well as I, ______ a student. a. are b. were c. as d. has been 37. Not only John but his brothers ______ also in debt. a. is b. have c. was d. were 38. The majority of the TOEFL tests ______ difficult. a. are b. is c. be d. being 39. Local news ______ on TV every night at 5:30 a. were b. was c. is d. are 40. A number of sheep______ died from a strange illness. a. have b. has c. is d. are