划线提问：
（1）We have six classes in a day .
                                  
（2）We play hockey on the field .
                                  
（3）They can watch TV at home .
                                  
（4）We play the violin after school .
                                  
（5）There are three girls in the room .
                                  
（6）I can buy shoes in a shop .
                                  
（7）We can go to the park next week .
                                  
（8）The watch is seventy-two yuan .
                                  
（9）I like science field trip very much .
                                  
（10）They do exercises at ten .
                                  
（11）My foot hurts .
                                 
（12）The Animal Hospital is over there .
                                  
（13）I can make a paper plane .
                                  
（14）That’s a duck in English .