comb
#70546
A
habit
B
debt
C
substance
D
above
推荐题目
 “What’s her name?” “Sorry, I _____.” 
#81708
A
forget
B
forgot
C
had forgotten
D
am forgetting
I’ll be late home tonight because something has just ______ at work.
#67934
A
come up
B
come out
C
come over
D
come across
Paul doesn’t have to be made___. He always works hard.
#65194
A
learn
B
to learn
C
learned
D
learning