----What are those?----_____ are ducks.A. They B. It C.This
She can type very______. A.quickB.quickyC. quickly
She works______a gym. A.inB.atC.on
I’m______a singer. A.going to be B.to beC.will be
What______your father do? A.doB.doesC.is
从B栏中找出A栏的答句，将其序号填入题前括号内
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