English practice daily

#TOEIC #Grammar Quiz http://ift.tt/21x1cI6 In order to make a sensible ....... among the different vacuum cleaners available, it is important to do some research. A. comparing B. comparison C. compares D. comparative #english #studyenglish #learnenglish Just choose the correct one. Can you? Think first before checking the answer, it's good for your brain. (^_^)