口算 (1) 11-3=18-9=15-6= 15-5=7+10=18-5= (2) 11-9=10-4= 9+9= 16-7= 11+4= 13-6= 答案:【1】8【2】9【3】9【4】10【5】17【6】13
【1】2【2】6【3】18【4】9【5】15【6】7When the old man ________ the art show, he bought a famous painting.
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A.called atB.called on
C.call upD.called for