IV. Choose the best option to complete the sentences by circle the letter A, B, C or D. 16. This is the ______ robot in the show. Our scientists spent more than 2 years building it. A. smart B. smarter C. most smart D. smartest 17. If the home robots _____ out of battery, they ______ charge themselves with solar energy. A. run – will B. runs - should C. go - run D. go - will 18. _____ can we do to make our school greener? – We can put a recycling bin in each classroom. A. How often B. What C. Where D. Why 19. Does your neighborhood have _____ art gallery? A. a B. the C. an D. x 20. We have lots of plastic bottles at home _____ we don’t know what to do with them. A. and B. due to C. but D. so 21. Our future house will be in ______ mountains. There will be many trees and flowers. A. a B. the C. an D. x 22. I am still not sure where to go for my holiday. I ______ to Vung Tau city. A. need go B. am going C. will go D. might go

Câu `16:`

`→ `This is the smartest robot in the show. Our scientists spent more than 2 years building it

`-` Cấu trúc so sánh bậc nhất: "the + adj-est" với tính từ ngắn như "smart".

`-> D`

Câu `17:`

`→` If the home robots run out of battery, they will charge themselves with solar energy

`-` Câu điều kiện loại 1: If + S + V (hiện tại đơn), S + will + V

`-> A`

Câu `18:`

`→` What can we do to make our school greener? – We can put a recycling bin in each classroom

`-` Dùng “What” để hỏi về hành động hoặc giải pháp

`-> B`

Câu `19:`

`→` Does your neighborhood have an art gallery?

`-` Dùng “an” trước danh từ bắt đầu bằng nguyên âm (a, e, i, o, u) như “art”

`-> C`

Câu `20:`

`→` We have lots of plastic bottles at home but we don’t know what to do with them

`-` “But” dùng để thể hiện sự đối lập giữa hai vế của câu

Câu `21:`

`→` Our future house will be in the mountains. There will be many trees and flowers

`-` Dùng “the” trước danh từ số nhiều chỉ địa danh như “mountains”

`-> B`

Câu `22:`

`→` I am still not sure where to go for my holiday. I might go to Vung Tau city

`-` “Might” diễn tả khả năng có thể xảy ra nhưng chưa chắc chắn

`-> D`