肖依婷:用所给词的正确形势填空

is,is sitting,is writing,is using,doesn't belong,belongs,looks,wants

was, was sitting,was writing,used, didn't belong,belonged, looked up,wanted

Sam__is__(be) at the library.He___sits___(sit)at a table.He__writes___(write)a composition.He__uses__(use) a dictionary to look up the spelling of some words.The dictionary__is not belong__(belong,not) to him.It__belongs__(belong)to his roommate.Sam__looks__a(look)up words in the dictionary because he__wants__(want)to make sure that he doesn't have any misspelled words in his paper.

Sam_is_(be) at the library.He_is sitting_(sit)at a table.He_is writing_(write)a composition.He_is using_(use) a dictionary to look up the spelling of some words.The dictionary_doesn't belong_belong,not) to him.It_belongs_(belong)to his roommate.Sam_is looking_(look)up words in the dictionary because he_wants_(want)to make sure that he doesn't have any misspelled words in his paper.

Sam__was__(be) at the library.He___was sitting___(sit)at a table.He__was writing___(write)a composition.He__used__(use) a dictionary to look up the spelling of some words.The dictionary_didn't belong___(belong,not) to him.It_belongs___(belong)to his roommate.Sam_looked ___(look)up words in the dictionary because he__wanted__(want)to make sure that he doesn't have any misspelled words in his paper