section e cultural corner & task
1. bears ______ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
a. pack upb. build up
c. bring upd. take up
2. in much of the animal world, night is the time
______ for sleep—pure and simple.
a. set aside b. set down
c. set off d. set up
3. my uncle hasn’t been able to quit smoking, but at
least he has ______.
a. cut out b. cut dow
