Mark the only pair where both words contain affixation that conveys equal meanings and constitutes words with corresponding grammatical functions.
“hovering” (l.1) is the same as
“its” (l.8) refers to
“the biggest” (l.12) is
In the text above, the phrasal verb “to get fed up with” means:
Based on the text above, judge the following items.
In the text, the term “expand” (l.1) is synonymous with increase.
Based on the text above, judge the following items.
In the text, the term “can” (l.3) can be correctly replaced by must.
Mark the sentence in which the idea introduced by the word in bold type is correctly described. 
According to the text, judge the following items.
"who" (L.7) can be correctly replaced by whom.
Judge the following items according to the text.
The modal “must” (l.10) expresses the idea of obligation.
