Paul suggested that A(they meet) B(in the front) of the school gate C(at) one oclock D(Friday afternoon).
定义一个枚举类型如:_value enum weekday{Mon=2,Tue,Wed,Thu,Fri,Sat=0,Sun}; enum weekday day1,day2,day3,day4; 下面表达式错误的是()。
A、day1=Thu
B、day2<SUN<span
C、day3=Sun=1
D、day4=day2
A.is good to
B.is good for
C.are good of
D.are good for