单项选择题
A.of B.off C.in D.out
If the freeboard is less than 9 meters, we should rig（）...
单项选择题If the freeboard is less than 9 meters, we should rig（）.
A. a gangway B. a pilot ladder C. rope ladder D. gangway combined with pilot ladder
It is （）higher.A.a littleB.aC.manyD.more
单项选择题It is （）higher.
A.a little B.a C.many D.more
The pilot is taking my ship（） the harbour now.A.intoB.a...
单项选择题The pilot is taking my ship（） the harbour now.
A.into B.at C.on D.for
