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