室间隔膜部分隔（）
A.左心室和右心室
B.右心室和左心房
C.右心室和左心室、左心房
D.左心房和左心室、右心房
E.左心室和右心室、右心房
参考答案：E
It was ______the boy said he almost never did any exercise in the school______ the mother began to worry about his health.
A．what; that
B．that; how
C．when; that
D．that; that
网框
