IT IS SUCH DIFFICULT A LESSON THAT WE CAN’T UNDERSTAND IT.A. SUCH B....

9.It is such difficult a lesson that we can’t understand it.A. such B. it C. a D. can’tMark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST inmeaning to the underlined word(s) in each of the following questions.