问题
                    
. ______ hard. You are sure to succeed!
                            A:Working
B:Work
C:Worked
D:To work
                        
                        B:Work
C:Worked
D:To work
正确答案是:
                        
                        
                        
                    同类题型
                    How was________ dinner at Mike’s house?–It was great. Mike’s mum is________ wonderful cook.
We all like ____ math teacher because she is very kind.
________ of giant pandas is getting _________ because their living areas are becoming farmland.
There is no doubt that students________in their study if theymore praise from their teachers.
What is on show in the museum?—The pictures which were taken by Yang Li Wei.