Выберите только один правильный ответ из предложенных, помогите плз:

1) Омsk is situated on b… Irtysh. a). - -b). - the c). the, the d). the, a

2). My father d… in his office now. a). work b). worked c). working d). is working

3). I can see three b… in the photo. a). man b). men c). mans d). mens

4). Yesterday the students …d at the exhibition a). are b). was c). being d). were

5). Hobbies c… like tastes a). different b). differs c). differ d). difference

6). Some people like to travel c… car. a). on b). in c). by d). into

7). But most of all I like the subjects _c__ my future profession. a). at b). of c). on d). with

8). At the college we learn a… lot of useful things. a). a b). the c). – d). an

9). I am not an _b__ , so it`s not easy for me to get up early in the morning a). student b). early-riser c). theatre-goer d). engineer

10). It is necessary for me to use the _a__ for preparing seminar's questions. a). book stock b). book worm c). book size d). booking-office

11). I can`t find my umbrella: somebody _c__ it. a). took b). will take c). has taken d ). has took

12).What __c_ you __c_ here now at such a late hour a). have doing b). is doing c). are... doing d). have done