【題目】---______will you be back to the office?

---In half an hour.

A．How often B．How long

C．How far D．How soon

【答案】D

【解析】

試題分析：句意:-你多快能回到辦公室？-在半小時(shí)之后。How often 多久一次；How long 多長(zhǎng)時(shí)間；How far多遠(yuǎn)；How soon多快。根據(jù)對(duì)話的意思和下面的回到In half an hour可知選D。

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