答案:B
.It was not until he went abroad for further study______Li Ming realised the importance of English.
A.when
B.that
C.where
D.before
下列船舶中()在作业所必需的限度内可免受通航制条款的约束。
A.从事捕鱼的船舶
B.从事敷设、维修或起捞海底电缆的船舶
C.从事清除水雷的船舶
D.B、C都是