1.Choose the right variant of the Preposition.
How long did they treat … the hospital?
A. for
B. to
C. in
D. at
E. on
2.Write the Verb in the Present Simple.
He (to work) at the hospital.
A. to work
B. work
C. works
D. worked
E. working

3.Choose the necessary Degree of Comparison of the Adjective.
He was the … in the family.
A. old
B. elder
C. oldest
D. older
E. eldest