While _____ to foreigners, you must try to make yourself _____ by using body language if necessary．

－Linda, the phone in your office can’t be connected all the time. Why?－Oh, sorry, Miss Miles. The service ___ since last Wednesday.

Mr Smith ______ a book about China last year but I don’t know whether he has finished it.

She ______ tomorrow and you had better see her off(送行).

Elizabeth believed the dog would die if _____ to her cruel owners so she kept it.