What is the cause of the "Little leaf" disorder in

Select the alternative that will improve the bold part of the sentence in case there is no improvement select “No improvement”.

The number of students (1)/ in the class have increased (2)/ significantly over (3)/ the past few years. (4)

They did not talk much(1)/ because they did not want(2) /to wake up the other (3)/people in house.(4)

I don’t know much about the matter but I will look into it and get back to you.

Invariably, governments directed by (1)/the courts want to weigh (2)/the losses of IDPs financially (3)/and get away with compensate (4).

One should respect (a) / religious beliefs of others, (b) / as much as his owns. (c) / No error (d) 

I. Over 120 countries have already announced their intend to achieve carbon neutrality by 2050.

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