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The process of determining what to study is especially very important because the prepared mindset of a person is necessary in undertaking a new endeavor in life especially when it is about studies. It is important that you should choose course that fits your capability or the one which you like doing the most in order to bring out the best in you.
That is not up to us that is up to you
Answer:
1. We have lost the sculpture
= Sculpture was lost by Us.
2. They saw him crossing the road.
= The road was crossed by them.
3 .We can do this work within a week.
= The Work could be done within a week.