AccordingtoHanZhen,ShanghaiPartySecretary,by2020allShan...

問題詳情：

According to Han Zhen,Shanghai Party Secretary,by 2020 all Shanghai’s rivers are expected  city and national standards.

have attained   attain           be attained    be attaining

【回答】

A

知識點：非謂語動詞

題型：選擇題