摘要：31．- -Sorry, I don't know． A．Have you seen Mr．Smith? B．Where has Mr．Smith gone? C．How about Mr．Smith? D．Hello, Mr．Smith．
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．—____
—Sorry, I don't know．
A．Have you seen Mr．Smith? B．Where has Mr．Smith gone?
C．How about Mr．Smith? D．Hello, Mr．Smith．
查看习题详情和答案>>
．—____
—Sorry, I don't know．
A．Have you seen Mr．Smith? B．Where has Mr．Smith gone?
C．How about Mr．Smith? D．Hello, Mr．Smith．
查看习题详情和答案>>．—____
—Sorry, I don’t know．
| A．Have you seen Mr．Smith? | B．Where has Mr．Smith gone? |
| C．How about Mr．Smith? | D．Hello, Mr．Smith． |