填空题改“if”为“though”

单项选择题A．there is little supplyB．there is still enough supplyC．there is several days’supplyD．there is only two days’supply

单项选择题A．Watch her player.B．Play her cards in cooperation with her partner.C．Quit the game.D．Teach the man how to play bridge.

填空题改“are”为“is”

单项选择题A．Michael Chang.B．Pete Sampras.C．Sergei Brugera.D．Jacob Hasic.