正确答案： A.Yes. because vehicle B is already in the roundabout

正确答案： B.Vehicles engaged in construction work in or near the zone

正确答案： B.You should enter the intersection slowly and give way to the pedestrian before proceeding.

正确答案： B.Vehicle B

正确答案： C.when vehicle B has slowed and is starting to turn left.

正确答案： A.Sleep until refreshed before driving.

正确答案： B.check behind and slow down as quickly as possible.

正确答案： B.Steep descent of 10%

正确答案： B.Pump on the brake pedal hard and fast.

正确答案： A.Trucks crossing/entering

正确答案： A.any vehicle on your right

正确答案： B.A tram only lane

正确答案： B.You may stay in the right lane when the left lane is congested.

正确答案： B.A sharp bend

正确答案： B.Parking permitted for people with disabilities that have a current disability parking permit

正确答案： B.Only when the road ahead is clear

正确答案： A.100 metres

正确答案： C.both the cyclist and the pedestrian.

正确答案： C.Look over your shoulders to see through the rear side windows

正确答案： B.When you have a clear view of the road ahead