It was recommended that passengers _____ smoke during the flight.
A
暂无解析
Iwastohavemadeaspeechif_____.
Ilongtoalleviate__________,butIcannot.
Thesmallmountainvillagewas（）bythesnowformorethanonemonth.
Evenifhisletter____tomorrow，it____toolatetodoanything.
_____himtomorrow.
