is, are, was, were, will be, are going to be, have, has, had The beautiful ________ something that the innocent ________ not always able to appreciate fully.
is、are
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is,are,has,have,havingTheaverageBritishfamily,which________smallerandricherthan50yearsago,________3.6members.
TheteachersaidthatJane________workharderthefollowingsemester.