Itwasrecommendedthatpassengers_____smokeduringtheflight.
A
暂无解析
At______,photographyisachemicalprocess,duringwhichalight-sensitivematerialisalteredwhenexposedtolight.
____youwerebusy,Iwouldn’thavebotheredyouwithquestions.
_____forthefactthatshebrokeherleg,shemighthavepassedtheexam.