In the past decades, sea ice _____in the Arctic as a result of global warming.
#102142
A
had melted
B
has been melting
C
melted
D
is melting
推荐题目
The reporter said that UFO from east to west when he saw it.
#100917
A
was moving
B
is moving
C
move
D
moves
She ＿＿＿＿＿ to the office than she got down to writing the report.
#104673
A
has no sooner got
B
had hardly got
C
no sooner got
D
had no sooner got
If a computer crashes,you will lose the file you _____ on unless you save it regularly.
#104026
A
are working
B
work
C
will work
D
worked
(2013·南昌10所省重点中学二模)Mary ________ as a secretary in this company for twenty years and now she stays at home taking care of her own garden.
#99599
A
has served
B
had served
C
is serving
D
served