18.After you have used the dictionary,please just put it back_________it belongs.
By using your eyes you can tell the direction _____ light comes.
— Can I have some more chicken? — ________ you finished your grrens first?
The employers often give the job to _______ they believe have work experience with a strong sense of duty.
— Oh, life is so boring! —Please don’t think so . I suppose you’ve come to the point _______ a change is needed.
Asia has achieved more in controlling the bird flu than Europe in the past few years, _______ the number of people infected with the virus is going up sharply.