The problem is hard but Tom has_____a good idea to solve it.
#53703
A
caught up
B
came up with
C
caught up with
D
comn up wlth
推荐题目
Although they were tired, they still went on _____. 
#56410
A
working
B
to work
C
work
D
worked
 The film         for half an hour.
#53968
A
has begun
B
has been on
C
hasn’t begun
D
began
You can ________ in a parking lot.
#59022
A
eat meals
B
mail things
C
park your car
D
buy things