Sửa lỗi sai

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11. I will to try some local food when I go to Hue next month.
A. to try
B. some
C. when
D. go

12. If you eat more fresh vegetable and fruit every day, you would be healthier.
A. eat
B. vegetable
C. and
D. would be

13. You will understand the lesson unless you pay attention to it.
A. will
B. understand
C. the
D. pay

14. Jack will have sore eyes if he spend too much time on the computer.
A. have
B. if
C. spend
D. much time

15. Unless it doesn’t rain, we will have a picnic next week.
A. a
B. doesn't rain
C. will have
D. next week