1.    ____ he comes in half an hour, I shall go alone. A. Because                   B. If                             C. Unless                D. However 2.    Do you know English is a ____ subject in schools in Viet Nam now? A. alive                         B. compulsory         C. second               D. official 3.    I have no idea where we are. I wish we ____ a map. A. had                           B. have                    C. had had              D. are having 4.    They have to take that French course, ____ they? A. haven’t                     B. mustn’t               C. needn’t               D. don’t 5.    Do you know the man ____ watch is made of gold. A. who                          B. whose                 C. whom                 D. that 6.    Her new boyfriend was _____ polite _____ friendly. I didn’t feel comfortable talking to him. A. both/and                   B. either/or              C. neither/nor          D. not only/but also 7.    Ha Noi City now is __________ than it was 10 years ago. A. as large                    B. much larger         C. more large          D. the largest 8.    The flight carrying the Vietnamese team landed _____ Dubai airport at 22:40 _____ May 26. A. at/on                         B. on/at                    C. in/on                   D. to/in 9.    Most of our _____ now comes from the use of coal, oil, gas or nuclear power.. A. electric                      B. electrical             C. electricity            D. electrician 10. “I suggest fixing the dripping faucet.” - “ ______.” A. We will                     B. I’m afraid not.      C. Yes, please        D. Good idea. IV. 1.    Watch out! A bus (come) ________________ towards us. 2.    We should learn how (keep)__________________ the environment clean. 3.    The bell rang when he (have) ________________ a shower. 4.    So far 12 o'clock May 31, Viet Nam (record) ________________4406 COVID-19 cases since April 27. 5.    I could understand him if he (not/speak) __________________ so quickly.