对合同是否履行发生争议的，承担举证责任的是（）
A．负有履行义务的当事人
B．证人
C．没有履行义务的当事人
D．原告
参考答案：A
_______ made me angry was that it never______ her that her parents might be worried.
A．That; happened to
B．What; occurred to
C．What; belonged to
D．That; meant to
物业区域内常见虫害一般可分为几类（）。
A.一类
B.两类
C.三类
D.四类
