Fill in the blank with a suitable conjunction:
I’d feel very angry _____ somebody broke into my house.
(a)If
(b)Whether
(c)Otherwise
(d)After

Hint: Read the given sentence carefully. Try to make out the core meaning of it. Find out the subject, predicate and the object of the given sentence.

Complete answer: The given sentence conveys that the speaker would have felt very angry if someone broke into his house. We have to fill in the given blank with the correct conjunction. Conjunction is a word used to connect clauses or sentences or to coordinate words in the same clause .
Now, let us examine all the given options to find out the correct option :
(a)If-It is a conjunction which is used in sentences in which one thing only happens or is true when another thing happens or is true.
(b)Whether-It is a conjunction which is used after verbs like ‘ask’, ‘doubt’, ‘know’, etc. It cannot be used in the given blank.
(c)Otherwise-It is a conjunction which is used for stating what would happen if you do not do something or if something does not happen.
(d)After-It is a conjunction which means later than something; at a later time. It cannot be used in this given sentence.
As we have analysed all the given options, we can easily figure out the correct option. Here, the word to be filled in is – if. The complete sentence would be – “I’d feel very angry if someone broke into my house.” Hence, option ‘a’ is the correct option.

Note:All the given options are plausible distractions. Don’t confuse between ‘after’ and ‘if’. They both have different meanings and different usages.