（1）Bob and his two friends went to the forest to

.
A.build their camp
B.see the trees
C.enjoy the mountains in the snow
（2）They could not find their way back because

.
A.there was only one road to their camp
B.they were not far away from their camp
C.everything is covered by the white snow
（3）They wanted the horses to take them to

.
A.the camp
B.Bob's house
C.the forest
（4）The horses stopped because

.
A.it was getting late
B.they were tired after riding for a long way
C.they had got to the camp
（5）The story happened

.
A.on a cold winter day
B.on a sunny night
C.in summer