2019春北师大版（三起）三下Unit 9《Numbers》ppt课件3.pptVIP

Period3Period3√√√√√Howmanybabydogsarethere?Howmanybabyturtlesarethere?Howmanybabydogsarethere?Howmanybabyturtlesarethere?Sixnewbabies.Tennewbabies.