LAST YEAR I EXPERIENCED …………. I HAD FLOWN IN AN AIR PLANE FOR FAI...

304. Last year I experienced …………. I had flown in an air plane for fairly long

distances before, but never as long as when I went to Australia last June.

a. how can tedious long plane trips be

b. how tedious can long plane trips be

c. how long plane trips can be tedious

d. how tedious long plane trips can be



d