单项选择题
The ship is （）at the wharf slowly.
A.going alongside B.sailing C.berthing D.anchoring
单项选择题 The ship is to （）to buoys.
单项选择题 The ship is going to （）the wharf.
单项选择题 -How many ropes do you want altogether? -3 head lines, 1 breast line and （）.
