问题描述：
单项选择Mr Black is_______old man.A.a B.an C.the D./
This book is____.A.my B.I C.me D.mine
Two and there____five.A.is B.are C.make D.have
Welcome____our school.A.for B.to C.at D.with
____five plus five?A.What B.How much C.Whhat's D.How
This book is____.A.my B.I C.me D.mine
Two and there____five.A.is B.are C.make D.have
Welcome____our school.A.for B.to C.at D.with
____five plus five?A.What B.How much C.Whhat's D.How
问题解答：
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