Fill in the Blanks

The two replacement words should complement each other. The two words in option (4) eminently do so. “An loved” does not make sense. Hence, cannot be right. 'Morbid' and “occult” do not fill is the first blank.

 They don't focus on building an image; they focus their enegies on their responsibilities and on results. 

When a contract is in its very early stages (less than 1/4 complete), the accumulated costs are carried forward in the work-in-progress account until the contract reaches a stage where profit can be recognized.

Case of past indefinite tense. Second form of the verb is used in such cases. Second form of 'go' is 'went'.

All the clauses of the sentence need to follow the same tense.

It is a case of 'seeking permission'. 'Could' is used in a polite manner, i.e. to seek permission for something.

Case of verb of being (present tense). The subject (book) is a singular noun and needs singular auxilary. Thus, option 1.

Case of past continuous tense. 'Reached' is past of 'reach'. In such cases we use 'was/were + verb+ing'. Thus, option 3.

Case of present perfect tense (as proved by usage of 'till now'). In such cases we use 'has/have + third form of the verb'. Thus, option 4.

Case of future indefinite. Pronoun 'you' is always followed bu a plural verb. Hence, 'give'.

The sentence is the case of 'slight probability' of happening something. And to reflect 'slight probability' we use 'might'.

Case of past indefinite tense. Some words like 'last week' always take second form of the verb. Thus, option 4.

Case of verb of bbeing (present).  The blank qualifies to Dr. Devi (singular noun). So, singualr auxilary is needed to fill the blank. Thus, option 2.

The sentence implies that it is the duty of the second person to have informed the first subject earlier. It is a case of implicit 'responsibility'. In such cases, we use 'should'.

This is a case of future tense. We use 'shall' with the first person (i.e. I). 'Shall be here' means 'I shall be available here only'.