Preposition - Study Mode
[#411] He complains . . . . . . . . headache.
Correct Answer
(D) of
Explanation
Solution: 'Complain of' means 'to state that you are suffering from a certain problem, and possibly to describe it'. It is most commonly used in medicine, but isn't limited to medicine. When you go to a doctor and complain of an illness, this means that you tell the doctor that you have the illness and possibly that you describe it. The object of 'of' must be a problem of some kind: you could complain of a headache, an unreliable web server, an unfaithful spouse, mistreatment by police, etc.
[#412] The fan moves . . . . . . . . our head.
Correct Answer
(C) above
Explanation
Solution: 'Above' means 'at a higher level or layer than'. Hence it makes the sentence meaningful.
[#413] I could not guess . . . . . . . . the answer to this question.
Correct Answer
(C) at
Explanation
Solution: 'Guess at' means 'to try to imagine something when you have little knowledge or experience of it'. Hence it makes the sentence meaningful.
[#414] I was walking . . . . . . . . the street when two boys ran . . . . . . . . me.
Correct Answer
(B) down, past
Explanation
Solution: To walk down the street is to head towards a specific place. 'Run past' means 'to pass someone or something while running'. Hence option B makes the sentence meaningful.
[#415] I am interested . . . . . . . . my studies.
Correct Answer
(D) in
Explanation
Solution: If you are 'interested in' something, you think it is important and want to learn more about it or spend time doing it.