We 'll discuss a _issue before we move on to the problem of

We 'll discuss a _issue before we move on to the problem of Today,we'll discuss a number of cases___beginners of English 1.Today,we’ll discuss a number of cases_________beginners of today,we'll discuss a number of cases_____ today ,we'll discuss a mumber of cases ___beginn 1.We need to discuss the plan（ ）before sighing When can we discuss the problem? We'll have a party___(in on at to)the evening of New Year's Do attend the meeting on time ,and we have a lot to discuss. we'll discuss a number of cases where beginners of english f today,we'll discuss a number of case （ ）beginners of English It is high time that we ___a meeting to discuss the problem