Because it is repairing at the moment ( так как сказано, что он ремонтируется в данный момент).
walk
I've been walking for 2 hours
I've walked in the park
I am walking on the street
They usually walk in the park
jump
He has been jumping for 2 minutes
I has jumped for 150 centimetres long!
I am jumping over the stream
He can't jump.
carry
I have been carrying my luggage for fifty minutes
He has carried his suitcase
They are carrying the box now.
I never carry my luggage by myself
dive
I have been diving for two hours
Have you ever dived in the lake
I am diving now
Do you dive in the ocean in this summer?
1) is the longest
2) the most successful
3) the most crowded
4) eldest
5) tallest
6) the most useful
7) the most expensive
8) richest
9) last
10) the most valuable
11) furthest
12) the snowiest and the coldest
13) the most dangerous
14) most expensive
15) the deepest
16) nearest
17) the eldest
18) latest
19) the hardest
20) furthest