AIR QUALITY There (1) ________ many ways of spending free time (2) ________ Australia. Some people are (3) _______ of skiing in Snowy Mountain or riding a surfboard in Queensland. Others love watching Kangaroos and Koalas in wild forests. My sister says she only enjoys (4) ________ Sydney from the skywalk. But I myself like going to Sydney Opera House where the great opera singers of the world can (5) ________ heard. If you are bored with listening to the opera singing, there will always be at least two or three other shows to suit your taste. 1. A. is B. be C. are D. was 2. A. in B. at C. of D. for 3. A. keen B. interested C. surprised D. fond 4. A. watch B. watches C. watching D. watched 5. A. been B. being C. be D. to be