Question

2．-Don't smoke here，Dad．Smoking（　　）in public places．
-Oh，sorry．I'll stop right now．

• A． isn't allowed
• B． aren't allowed
• C． doesn't allow

Answer 1

分析 句意：--不要在這里吸煙，爸爸．在公共場(chǎng)所不允許吸煙．--哦，對(duì)不起，我馬上停止吸煙．

解答 根據(jù)Don't smoke here，可知此處不允許吸煙；又根據(jù)smoking作主語(yǔ)，可知此處所使用的語(yǔ)態(tài)應(yīng)該用被動(dòng)語(yǔ)態(tài)，smoking作主語(yǔ)時(shí)，謂語(yǔ)動(dòng)詞應(yīng)該用單數(shù)．故選A．

點(diǎn)評(píng) 本題考查了被動(dòng)語(yǔ)態(tài)的知識(shí)：被動(dòng)語(yǔ)態(tài)由be+動(dòng)詞的過(guò)去分詞構(gòu)成，其否定形式在be后面加not即可．