i don't know what happend( )her
we will set ()early tomorrow morning
yesterday he was caught ()the rain and he has caught a bad cold
()laaving the house ,it began to rain
he flew () new york last month
he will leave beijing ()shqanghai tomorrow
he walked ()me without greetings
he didn't know why he was wanted ()the police
he picked ()japanese when he was in japan
when he was a boy ()twelve,he became interested ()physics
最后一个的第二个空
追答(in )
原因