John often teaches physics in his free time.
A. him B. he C. himself D. his
The doctor told me to eat more _______ because it's good for my health.
A. orange B. vegetables C. ice cream D. fish
After two ____ work, Tom was too tried to move.
A. day B. days C. days' D. day's
A number of ______are on in the museum. Let’s see them tomorrow.
A. works B. painting C. film D. jobs
Pork is healthy ______ and tea is a healthy ______ .
A. drink; food B. drink; drink
C. food; drink D. food; food
Grandma is now at _____.
A. the doctor’s
B. the doctors
C. the doctor
D. a doctor’s