is,are,has,have,havingTheaverageBritishfamily,which________smallerandricherthan50yearsago,________3.6members.
is、has
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“I________goouttoday.IfIdo,I________inastorm.fwhenIheardtheweathermansay”Isaidtomyseltherewouldbeaheavyrainthatday.
Jameshasjustarrived,butIdidn’tknowhe________untilyesterday.
is,are,was,were,itself,himself,themselvesThetradeunion________believedtoregard________asanorganizationwherethemolestedcouldseekadviceandhelp.
He________violinwhenIwanttosleep.