问题
                    
__________and the problem could be settled.
                            A:A bit more effort
B:To make more effort
C:Making more effort
D:If you make more effort
                        
                        B:To make more effort
C:Making more effort
D:If you make more effort
正确答案是:
                        
                        
                        
                    同类题型
                    The clothes are _______ for twenty yuan.[ ]
It was difficult for me to _______ this morning because I slept too late last night.
The price of the bike depends _______ its quality(质量) .[ ]
I’m going to Zhenjiang ______ Monday morning.[ ]
Hey guy, turn it off please. We don’t __________music in the reading room. —Oh ,sorry!