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271 Ann’s birthday is …….. February 14th

a. in             ​b. on​c. for            ​d. at

272. They put …. the blanket and laid …… food   

a. in/on    ​b. down/over     ​c. down/out​d. on/in

273. …aspects of learning English do you find the most difficult? 

a. What​b. Where  ​c. When  ​d. While

274. We have many well …… teachers here    

a. qualify    ​b. quality     ​c. qualified​d. qualification

275. The United States has a …….. of around 250 million.   

A. population​B. separation         ​C. addition         ​D. introduction

276. If Ba became rich, he …… travel around the world   

a. can       ​b. will      ​c. would​d. should

277. Tornadoes can suck up anything that is…….. their path   

a. on​b. in      ​c. at       ​d. for

278. –Peter, please help me do the washing up. – Sorry, Mum. I ………TV.

​A. watch                    ​B. am watching           C. had watched       ​D. watched

279. The farmers ………in the field now.

​A. were working       ​B. have worked            C. worked               ​D. are working

280. The war ……… out three years ago.

​A. broke​B. had broken                  C. has broken            ​D. was breaking

281. He………a cup of coffee every morning.

​A. drinks​B. drank                          C. is drinking             ​D. has drunk

282. She ……… a lot of new books.

​A. had just bought        ​B. has just bought         C. buys                      ​D. bought

283. Up to the present, Nam………good work in his class.

​A. does                      ​B. has done    C. had done              ​D. did

284. At present, that author ……… a historical novel.

​A. is writing​B. was writingC. has written            ​D. had written

285. By next month, I ……… my first novel.

​A. will finish   ​B. am going to finish     C. finish                 D. will have finished