wo visitied Beijing and Shanghai ____(when /while/ as/ during) ou_英语解答

wo visitied Beijing and Shanghai ____(when /while/ as/ during) our stay in China.

人气：292 ℃　时间：2019-11-10 15:59:01

解答

during,因为后面是our stay是一个名词的词组!when ,while ,as ,都是连词,后面加句子或者是非谓语!：）