làm hộ mình Question 7: Travelers _____ many positive contributions to local communities.,A. makes B. was making C. has made D. are making,Question 8: Everybody _____ to protect the environment while traveling.,A. is wanting B. wants C. have wanted D. want,Question 9: I lost my camera on the trip. Somebody _____ it by mistake.,A. have taken B. takes C. take D. has taken,Question 10: Both innovation and critical thinking _____ essential in higher,education.,A. is B. was C. has been D. are,Question 11: The professor along with her research assistants _____ analyzing the,new algorithm.,A. were working B. is working C. are working D. have worked,Question 12: A large amount of data _____ stored in the cloud last month.,A. were B. are C. is D. was,Question 13: Using renewable energy _____ an effective way to reduce pollution.,A. is B. are C. were D. was,Question 14: Some graduates _____ the complexity of quantum computing,overwhelming, while others embrace it.,A. has found B. found C. find D. finds,Question 15: A number of students _____ their assignments.,A. was submitting B. has submitted C. is submitting D. have submitted

Question

Accepted Answer

Question 7: D. are making  
Question 8: B. wants  
Question 9: D. has taken  
Question 10: D. are  
Question 11: B. is working  
Question 12: D. was  
Question 13: A. is  
Question 14: C. find  
Question 15: D. have submitted