Fill in the blanks with the expressions given below. Change the form where necessary. Each expression can be used only once. speak of leave behind in a bid to appeal to apply to end up focus on get hold of 1 Being able to determine the main idea of a passage is one of the most useful skills that can any kind of reading. 2 At least 15 states have offered financial aid, typically enroll top students in the states' public institutions. 3 Those who could not get into the university of their first choice may going to the university of their second or third choice. 4 the giants of high tech in this era, people would immediately mention Apple, Microsoft, Facebook and some other influential companies.