问题
Confucius is said in various government jobs in his early 20s, such as a bookkeeper and a caretaker of sheep and horses.
A:to work
B:having worked
C:working
D:to have worked;
B:having worked
C:working
D:to have worked;
正确答案是：
同类题型
It is no good trying that method, because it won’t _______.
This is Tom speaking. Is Mr. Brown in, please —_________ .
______ difficult the problem was, he tried his best to solve it.
_ a post office, I stopped _______some stamps
Look at those clouds! — Don’t worry_______ it rains, we’ll still have a great time