• refute (Verb) : to prove that something is wrong
• rebuke (Verb) : to speak in an angry and critical way
• revoke (Verb) : to cancel something officially so that it may no longer be valid. Here, refute is the right usage.

Only one of the boys (Subject) is Singular. It will agree with a Singular Verb. So, has will be used

Here, has is the right usage.

The sentence is in Indirect Speech showing Past time. So, Past Perfect Tense wi ll be used .

Here, had escaped is the right usage.

• bring out (Phr.V.) : to lay stress; to make something clear
• bring about (Phr. V.) : to cause to take place
• bring in (Phr.V.) : introduce ; include
• bring forth (Phr.V.) : to give birth to; to bear (fruit)

Here, bring out is the right usage.

In a positive statement , the question tag is negative. The sentence is in Simple Future Tense

Here, won’t it is the right usage

yours (Pronoun) : It is the second person Possessive Pronoun replacing your + Noun .

Here, yours is the right usage.

The sentence is in Subjunctive Mood beginning with the if-clause. The Verb will be in Past Tense and Plural

Here, were is the right usage.

The structure of the sentence is as follows :

the + comparative + the + comparative

Here, the higher is the right usage

one another (Pro.) : used when you are saying that each member of a group does something to or for the other people in the group

one another and each other are Reciprocal Pronouns .

• Bob and Tom were quarrelling with each other.
• The three winners congratulated one another.

Here, one another is the right usage.

• go down (Phr. V.) : to fall to the ground; to become lower; to be written in something ; to be recorded or remembered in something
• go by (Phr. V.) : (of time) to pass; to be guided by something; to form an opinion from something
• go on (Phr. V.) : (of time) to pass; continues without changing; continue speaking, often a short pause
• go through (Phr. V.) : to look at or examine something carefully; to experience or suffer something

Here, go down is the right usage.

are to be ranked is the right usage.

The sentence is in Passive Voice

Since is followed by a Verb in the Past Tense

Here, came is the right usage.

• expelled (Verb) : forced to leave an organisation
• rejected (Verb) : refused to accept (an application for a job)
• evicted (Verb) : put out (a tenant) from a property by legal process

Here, expelled is the right usage.

Here, living is the right usage.

The sentence is in Indirect Speech Past time. So, Past Perfect Tense will be used. Here, had deposited is the right usage.

As the Subject ( Ram ) is Singular, the Verb will also be in Singular along with (Phr.v.) : together with someone It modifies the earlier word ( Ram ) which is Singular

Here, was watching is the right usage.

• elicit (Verb) : to get information or reaction from somebody
• provoke (Verb) : to cause a particular reaction or have a particular effect
• command (Verb) : order
• infer (Verb) : to reach an opinion or decide that something is true on the basis of information that is available

Here, elicit is the right usage.

Here, a lot of is the right usage.

• took out (Phr. V.) : obtained an official document or service
• took up (Phr. V.) : picked up, began to occupy, gathered from a number of sources
• took in (Phr. V.) : allowed somebody to stay in your home
• took over (Phr. V.) : replaced something

Here, took out is the right usage.