Direction: In the following questions, a part of the sentence is printed in bold. Below are given alternatives to the bold part at (1), (2) and (3) which may improve the sentence. Choose the correct alternative.In case no improvement is needed your answer is (4).
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The housing problem in Mumbai becomes more serious.
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- is becoming
- has become
- become
- No improvement
Correct Option: B
Here, Present Perfect should be used as effect of past on the present is evident.
Hence, has become is the right usage.