In the cross-lake swimming race, a boat
题型:选择题
问题:
In the cross-lake swimming race, a boat will be ____in case of an emergency.
A.standing by
B.turning on
C.getting on
D.running on
In the cross-lake swimming race, a boat will be ____in case of an emergency.
A.standing by
B.turning on
C.getting on
D.running on