Academic writing 1: giving opinions

Exercise 32.5

REVIEWS
Kelly has written a fascinating study of how early people originally got to Australia. He presents some very (1) (powerful / mighty) arguments to support his theory. He offers plenty of (2) (persuading / supporting) evidence to back up his ideas. He has a rather strong (3) (trend / tendency) to (4) (test / challenge) others’ theories too aggressively, but in general this is a (5) (groundbreaking / irrefutable) research paper which will (6) (form / shape) thinking for some time to come.