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Since 1980 men's attitude _____ a lot .

Achanged

Bhave changed

Care changing

Dwill have changed

Answer:

B. have changed

Read Explanation:

since അടങ്ങുന്ന time expression ഉള്ളതിനാൽ present perfect tense ഉപയോഗിക്കണം.Future time word ഇല്ലാത്തതിനാൽ future perfect tense ഉപയോഗിക്കാനാകില്ല.


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