--It is really fun to hike and I often g
题型:选择题
问题:
--It is really fun to hike and I often go hiking in the forest.
--But hiking alone in the forest ______ be very dangerous.
A.can
B.must
C.shall
D.will
--It is really fun to hike and I often go hiking in the forest.
--But hiking alone in the forest ______ be very dangerous.
A.can
B.must
C.shall
D.will