Those flowers ________ Kate $56. 
#63129
A
paid
B
took
C
cost
D
spent
推荐题目
 When the old man saw some litter on the ground, he quickly          .
#62853
A
picked it up
B
picked up it
C
picked them up
D
picked up them.
They were _______ busy ______ the project ______ the time.
#53903
A
too; to discuss; to forget
B
too; discussing; to forget
C
so; to discuss; that they forgot
D
so; discussing; that they forgot
Please __________ the light when you leave the classroom. 
#57689
A
turn on
B
turn up
C
turn off
D
turn down