Fill in the Blanks

In the strictest grammatical sense, 'lie' is an intransitive verb, whereas 'lay' is transitive. Conceptually, 'lie' is something you do to yourself, and 'lay' is something you do to something/someone else. And past of 'lay' is 'laid'.

Lay is a transitive verb and takes a direct object; laid is its past form and past participle. Lie is an intransitive verb and does not take a direct object; lay is its past form and lain its past participle.

This is an adage. 'To err is human..............' means humans (by nature) are bound to commit mistakes.

Here we need an adjective to fill the blank. 'Humane' means having what are considered the best qualities of human beings; kind, tender, merciful, sympathetic, etc.  

Case of sentence formation. If the princcipal clause is in past indefinite, the subordinate clause should also be in the same tense.

We need antonym of easy. As we are discussing questions, so the beeter antonym of easy is 'difficult'. 'Hard' is perfect antonym of 'soft', not of 'easy'.

HIstory can be classified into - ancient, medieval and modern phases. So, here 'ancient' is the correct option.

Here we need antonym of adjective 'deep'. 'Shallow' is the correct option.

Antonym of asleep is awake.

To fill the blank we need a noun. OPtion 1 is an adjective, option 2  is a verb of being. Option 3 is the required noun.

Here we need a verb of being to fill the blank. Option 2 is the correct option.

To fill the blank we need an adjective. And option 1 provides us the same.

To fill the blank we need a noun, and none other option than option 3 is a noun here.

Books are things, and to refer to things we use relative pronoun 'which'.

The sentence describes taking an umbrella to prevent getting wet. Avoid means to keep away from or prevent something from happening. Deny means to refuse, prevent means to stop something before it happens, and resist means to withstand.