Bears_____ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
#13835
A
pack up
B
build up
C
bring up
D
take up
推荐题目
 If you cheat in the exam ,you could hardly ___________ it .
#10799
A
throw away
B
get away
C
get away from
D
get away with
He was determined not to be the first ______it.
#14248
A
say
B
saying
C
to say
D
says
 Some people are good at _____ voices on the phone while others ______.  
#12263
A
knowing; aren’t
B
recognizing; don’t
C
knowing; don’t
D
recognizing; aren’t