Question
 Find out which word can be filled up in the blanks in
sentence in the same sequence to make the sentence grammatically correct and meaningfully complete. My sister ____ her clothes herself.Solution
The question indicates singular, 3rd person. Option (2) uses -ing form and needs a helping verb “is / has been” before it while option (3) has a verb after “is” and hence should be in -ing form. Option (1) uses plural verb “wash” instead of singular verb “washes”. Option (4) creates the sentence in present perfect with the correct usage of past participle verb form – has washed
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Arhar (pigeonpea) is commonly known asÂ
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The principal photosynthetic pigment in blue-green algae is
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