Question
Select the option that expresses the given sentence in
passive voice. They built a new hospital in the city centre.Solution
In passive voice we never change the tense of the sentence .the tense of the sentence given to us is simple past tense and option (c)  is correct because the object has become prime and the tense remained same. and if we see the other three options In option (a) present continuous tense is used. In option(b) object is not prime so it is wrong. In option (d) present perfect tense is used and object is not prime.
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