Are you feeling after the trip?
If you successfully complete a difficult task ________ hard work, you’ll become confident.
— How is Susan?— Oh, she lives abroad, so I ________ ever see her.
— How can I wake up early?— Set the alarm (闹铃) at 5 o’clock, ________ you’ll make it.
——Do you know _____A/H1N1 disease?——Yes, we should have a good habit about health.
They were_______ busy_______ with each other__________the time.