七年级英语人教版上册《Unit1Myname’sGina》习题SelfCheck【含答案】

SelfCheck单元重难点题组训练Ⅰ.单项选择。题组训练一am、is、are辨析Ⅰ.单项选择。()1.—Isthatablackpen?—________.It'sabluepen.()1.—How