The chairman thought _____ necessary to invite Professor Smith to speak at the meeting. [ ]

Believe it or not，my sister and I are twins—Oh，you must have had the case________you were taken for your sister

_________ scientist like her won’t besimply satisfied with _________ little progress that has been made.

doesn’t______me Do you have alarger one—Sorry, but the color is different Does it______you

know we will have a League meeting,but I have no idea when _________ it