按照要求写句子。 1.My father is a theatre manager.(同义句) My father is ______ ______ ______ a theatre. 2.His father is a_manager.(对画线部分提问) ______ ______ his father's ______? 3.You can sing_in_the_classroom.(对画线部分提问) ______ ______we sing? 4.This is a photo.(改为复数句) ______ ______ ______. 5.can,football,the boy,play(连词成句) ________________________________________________________________________“螳螂捕蝉,黄雀在后”。此成语所隐含的食物链具有的营养级数至少有( ) A.2个 B.3个 C.4个 D.5个