用所給的單詞或短語(yǔ)完成下列句子或?qū)υ?
been been to been in gone to
1.——Where is Tom?
——He has __________ Beijing.
2.——Have you ever __________ London?
——No,never.
3.——How long have you __________ Qingdao.
——For 10 years.
4.——How many times have they __________ China?
——Twice,maybe.
5.Where have you just __________