问题
                    
I wonder _____________without water.—About a week.
                            A: mustn’t ;has gone
B:mustn’t ;has been
C:can’t ;has gone
D: can’t ;has been
                        
                        B:mustn’t ;has been
C:can’t ;has gone
D: can’t ;has been
正确答案是:
                         
                        
                        
                    同类题型
                    do you want to go to Thailand —Because it’s a good place to take a vacation.
Isn’t it hard to drive downtown to work?—Yes,that’s why I________to work by train
Did you enjoy yourself at the party last night—–Sorry to say I didn’t. It wasameeting than a party.
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