问题
                    
When did the meeting begin?—At four o’clock.It ______ for 15 minutes.
                            A:was on
B:began
C:has been on
D:has begun
                        
                        B:began
C:has been on
D:has begun
正确答案是:
                        
                        
                        
                    同类题型
                    Whose picture is better, Jack’s or Tom’s? —Both of them are good. I think Jack draws_____ Tom. [ ]
_______ boys in my class can ski but _______ of them can do as well as Jim does.
The lovely girl often __________ her things __________ her friends .
With the help of the new technology, you __ e-mail your friends by mobile phone.