问题
                    
I have to buy _________of the two books because I don’t know which to choose.
                            A:every
B:all
C:one
D:both
                        
                        B:all
C:one
D:both
正确答案是:
                        
                        
                        
                    同类题型
                    Where is Mr. Smith? –He isn’t here. He ______ to England.
Hi. This is __________ new teacher. _________ name is Linda and the bag is _______.
What’s your mother__________ now? —She’s __________ our house.
______ my teacher’s help, my English is pretty good now.[ ]
We often go to school ________ seven ________ the morning. [ ]