小题1:Sydney Tower is ____________ in Sydney, Australia. A.the busiest street B.the biggest station C.the most beautiful park D.the highest point 小题2: Sydney Tower opens at ____________. A.8:00 am B.9:00 am C.10:30 pm D.11:30 pm 小题3: If an adult with two children goes to visit Sydney Tower, he has to pay ___________. A.$60 B.$90 C.$120 D.$150