1. ___________ as a nurse from 2006 to 2009.
A) I worked
B) I've worked
C) I've been working
2. Dan stayed very calm, __________ Andrew was shouting at him.
A) Despite
B) Even though
C) In spite of
3. Not enough people who study ________ at school continue their studies at university.
A)the science
B)some sciences
C) science
4. Choose the right variant: … this letter is absolutely necessary.
А) To write
B) Write
C) Writing
D) Written
E) No correct answer