They _ TV with their parents last night. [ ]
A. watched
B. saw
C. watch
答案:A
有如下程序: #include<iostream) using namespace std; classBase public: Base(int x=0)cout<<x; ; Class Derived:public Base public: Derived(int x=0)cout<<x; private: Base Val; ; int main() Derived d(1); return 0;
A.100
B.000
C.010
D.001
______.