问题

The instructions to the amusement facilities state that no child shall be, unless ________ by an adult, allowed to operate the machines.[ ]
A:accompanied
B:acknowledged
C:accomplished
D:appreciated
B:acknowledged
C:accomplished
D:appreciated
正确答案是:
同类题型
Mum have you seen my toy bear—The one your aunt sent last week I’m sorry I haven’t seen_______.
The girl is very clever. Whenever she meets with difficulties. she can come up with good ideas.
Ihave to go to work by taxi because my carat the garage.[ ]
What are you going to do this weekend—- I don’t know. I go to Beihai Park.