问题
                    
Remember to save what you ________ on once in a while in case the computer suddenly crashes.[ ]
                            A: work
B: will work
C: are working
D: worked
                        
                        B: will work
C: are working
D: worked
正确答案是:
                         
                        
                        
                    同类题型
                    Please ________ this bike with that one,and then tell me the differences between them.
How can I ______ money from my bank account to his?[ ]
We ________ jump to conclusions before we have all the facts.
When people started questioning his explanation,he had to______ more details. [ ]
Their belief is proved by the fact that thedeath penalty prevents murder