16. Look at those clouds- I think it …………………… A.rains B. is raining C. is going to rain D. rain 17. My elder brother works as

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1. 16. Look at those clouds- I think it ……………………

   A.rains B. is raining C. is going to rain D. rain

   Cấu trúc : Look + Trạng từ . S + think + S2 + V(ing)

   17. My elder brother works as a lab ………………..at a large company

   A.technician B. inventor C. biologist D. engineer

   Works as a lab : Làm việc trong phòng thí nghiệm

   18. How many sides does a cube have?

   A.four B. five C. six D. eight

   There is no correct answer because a cube has 12 sides 

   19. It is predicted that all students ………………..e-books by 2050.

   A.have B. had C. are having D. will have 

   Dấu hiệu nhận biết đây là thì tương lai gần : It is predicted 

   20. We were waiting for ages and you never showed …………….!

   A.in B. up C. on D. again

   Showed again : Xuất hiện lại lần nữa 

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