单项选择题A．He went mountain-climbing last year.B．He hasn’t traveled around the world yet.C．He always wants to climb that mountain.D．He definitely does not want to climb that mountain.

单项选择题A．Because they had to wait for a long time by the lift.B．Because they were bored for nothing to do but standing by the lift.C．Because the lift was slow.D．Because there were not enough lifts in the building.