---Good morning, Grand Hotel. ---Hello, I'd like to book a room for the nights of the 18th and 19th.---_____.
There were signs here and there, _____ people to look out for ___rocks.
From his ___ voice, I have to say that you are really ____.
—Why did the girl spend the whole day __ up in her room, ____? —She failed in the college entrance examination.
When ___ this medicine, it is a good idea to avoid ______ alcohol.
My father ___ my brother for driving but he wanted to pick ___ the knowledge of the computer during his spare time.