6、A. B. C. D.(1)ThisisMr.Liu.He'sateacher.________ (2)TheboyisChenchen.He'sapupil.________ 第16页共16页五、Readandfillintheblanks.(共8题;共13分)17.(2分)Let's________ ________together.18.(1分)Whatabout________(play)footballnow?19.(1分)It'shotand________(sun)inHainannow.20.(1分) ________ 21.(5分)选出与所给单