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
推荐题目
---How do you find my composition, Mr John? ---Good, ___too many spelling mistakes. You can’t imagine what great difficulty I had ___them.
#13016
A
except, correct
B
except for, to correct
C
except, correcting
D
except for, correcting
 We _____ a word unless she asks us_____.
#12894
A
didn’t dare say; to
B
don’t dare to say; to
C
dared not say; to say
D
dare not to say; to say
He felt very sad that though he worked very___indeed,he was not able to jump____.
#11811
A
hardly; high
B
hard; high
C
hardly; highly
D
hard; highly