单选题]
For the whole period of two months, there ______ no rain in this area. Now the crops are dead.
选项:
A:
is
B:
was
C:
has been
D:
have been
For the whole period of two months, there ______ no rain in this area. Now the crops are dead.
is
was
has been
have been
以下文字与答案无关
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is
B:was
C:has been
D:had been
is
B:was
C:has been
D:have been
iS
B:was
C:hasbeen
D:have
has been planted
B:have been planted
C:is being planted
D:have been planting
has been planted
B:have been planted
C:is being planted
D:have been planting
have been
B:have had
C:has been
D:has had
has been
B:have been
C:will be
D:will have
should be
B:would be
C:have been
D:had been
are
B:have been
C:is
D:has been
has been planted
B:have been planted
C:is being planted
D:have been planting
split
B:spit
C:splitting
D:been split
Will be repaid
B:Was being repaid
C:Has been repaid
D:Was repaid
are doing
B:are being done
C:have been done
D:will be done
considered
B:assessed
C:explored
D:calculated
up and down
B、down and up
C、down and up
D、ups and downs
used
B:using
C:to use
D:to be used
It has been functionally tested.
B:It has been structurally tested.
C:It has been formally verified, designed, and tested.
D:It has been methodically designed, tested, and reviewed.