11.We anything because we hungry.
 A don’t eat / wasn’t B didn’t eat / weren’t C not eat / not be
 12.Professor Stone ……… few chairs in his office because he ……… room for many.
 A don’t keep / not have B doesn’t keep / doesn’t have
 13.What … your parents’ address?
 A is B are
 14.He …….. how to use the card catalog in the library.
 A don’t know B doesn’t know
 15.Happiness ……… different things to different people.
 A means B mean
 16.Water at 100 degrees Centigrade.
 A is boiled B boil C boils
 17.The men as hungry as hunters.
 A were B was
 18.If Maria him, she will be unhappy.
 A marry B marries C will marry
 19.I not see Andrew yesterday.
 A did B Do C am.
 20. When in Poland?
 A was you B were you C did you be
                                                                                                
                            
                            
                            
                                
                            
                            
                                
                            
                            
                            
                         
                    
11. A
12.B
13. A
14. B
15. A
16. A
17. B
18. A
19. A
20. B
Объяснение:
ответ:11-B
12-B
13-A
14-B
15-B
16-C
17-B
18-A
19-A
20-B
Объяснение: