Over the past decades, sea ice _______ in the Arctic as a result of global warming.
#104854
A
had decreased
B
decreased
C
has been decreasing
D
is decreasing
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The vegetables didn’t taste very good. They__too long. 
#104409
A
had been cooked
B
were cooked
C
had cooked
D
cooked
Food supplies in the flood-stricken area ______. We must act immediately before there’s none left.
#101593
A
have run out
B
are running out
C
have been run out
D
are being run out
I _____ to help you but I was not able to spare any time. I _____a paper last night and I’ll have to finish it today.
#102610
A
wanted; have been writing
B
had wanted; was writing
C
had wanted; wrote
D
have wanted; wrote