【题目】This tiger________ big. ( )
A. am B. is C. are
【答案】B
【解析】
句意:这只老虎.....很大。本句是一般现在时,主语是单数,be用is,故选B.
上一篇 妈妈问地图在哪里,你应该回答:( )A.It is a map. B...
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