I don't think you ( )(pass)the final exam since you( )(not work) hard用所给动词的适当形式填空

I don't think you ( )(pass)the final exam since you( )(not work) hard
用所给动词的适当形式填空

I don't think you (will )(pass)the final exam since you(did )(not work) hard

can ，did not work

will passed
don't work或never work