A.keep
B.keeping
C.keeps
D.is keeping
您可能感興趣的試卷
你可能感興趣的試題
A.do
B.did
C.does
D.to do
A.has
B.have
C.there is
D.there are
A.to keep
B.are keep
C.is keeping
D.are keeping
A.is going to
B.are going to
C.was going to
D.are go to
A.work
B.is working
C.are working
D.was working
最新試題
The circulation around a low pressure center in the Northern Hemisphere is（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
Manoeuvring information can not be obtained from（）.
（）is on the panel of radar.
The helm command PORT TWENTY means（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
The dew point temperature is（）.
The ISM code is part of（）.
ECDIS must be able to perform all of the following EXCEPT（）.