Topics: Tenses Usage
By 2030, many countries _____ carbon neutrality goals.
A. achieve
B. will achieve
C. will have achieved
D. had achieved
Select your answer:
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Mixed General Quiz › ViewThe price of oil ___ several times in the last two years.
a. has gone up
b. went up
Grammar › View
By 2150 the rainforests _______ and there won’t be enough oxygen for everyone.
A. have disappeared
B. will have disappeared
C. disappeared
D. will be disappearing