小题1:① flight② look / expression
小题2:① possible② continue
小题3:当他与别人当面交流时,他能理解别人的话。
小题4:to check in his luggage and get a seat.
小题5:( about) 11 hours.
小题1:① flight② look / expression
小题2:① possible② continue
小题3:当他与别人当面交流时,他能理解别人的话。
小题4:to check in his luggage and get a seat.
小题5:( about) 11 hours.