单项选择题
A.to be B.being C.having been D.to have been
John regretted（）ashore yesterday.A.not goingB.not havin...
单项选择题John regretted（）ashore yesterday.
A.not going B.not having been going C.not to go D.not to be going
Lifting the anchor from the bottom is called（）.A.broach...
单项选择题Lifting the anchor from the bottom is called（）.
A.broaching the anchor B.shifting the anchor C.walking the anchor D.weighing the anchor
Lines drawn through points on the earth having the same...
单项选择题Lines drawn through points on the earth having the same atmospheric pressure are known as（）.
A.isothermal B.millibars C.isobars D.seismics
