Select the correct article to fill the blank in the given sentence: She takes ...... dog for a walk.

Select the correct article to fill the blank in the given sentence. ........Thar Desert is the largest desert in India.

Select the correct article to fill the blank in the given sentence.
The car travelled $150$ kilometers ........ hour.

Select the correct article to fill the blank in the given sentence. ............ Indus River is the longest river in India.

Select the correct article to fill the blank in the given sentence. The children went to the zoo and saw ...... kangaroos.

Select the correct article to fill the blank in the given sentence.
He works in ...... old office building.