从B中选择合适的答案回答A的问题，把字母编号填到前面的括号中。(10分)
The woman is old, but she looks_______.
It's very difficult, _______ I can do it myself.
Are you going toplay Ping-Pong _______ football?
The boy is sitting_______her father and mother.
It's a quarter_______six. Let's go home.
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