Bears ________ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.                                
#11054
A
pack up
B
build up
C
bring up
D
take up
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 ______ the warning message, more visitors might have been trapped in the flood. 
#12247
A
Apart from
B
Regardless of
C
Other than
D
But for
I’m so busy today that I can’t __________ the house.
#13801
A
help cleaning
B
help cleaned
C
help to clean
D
helped clean