Which date will be celebrated as National Space Day?

Select the most appropriate synonym of the given word.

CONTAMINATE

Select the most appropriate option to fill in the blank.

The box was ______ heavy for that little child to carry.

Select the option to complete the sentence most logically and appropriately.

He didn't see the whole film because

Select the most appropriate direct form of the given sentence.

Select the most appropriate meaning of the given idiom. 

On the double

Select the most appropriate SYNONYM of the given word.

Disrupt

Select the most appropriate synonym of the given word.

Retaliate

Select the most appropriate word for the given group of words.

a written work dealing formally and systematically with a single specialized subject.