they ( ) china for 5 months.Ahas been in Bhave been in Chave been to Dhave gone to

问题描述:

they ( ) china for 5 months.Ahas been in Bhave been in Chave been to Dhave gone to

答案:B
have been in 表示“在某地待着”.
翻译:他们在中国待了5个月.