Question

no wait .

answer will be .

could , ought to , should , need

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Answer 1

Q3 -A could

B ought to

C should

D must

Q4 - 1 any

2 few

3 many

4 the

I wrote these answers

Thank you so much Anish for your help

Thanks a lot ✨❤️

Answer 2

SONAR is sound navigation and ranging

and really sorry Anu . I forget that sorry