1. —Will you come and play football with us this afternoon?
—Sorry, but I have an _____ with my dentist at 3 pm.
A. agreement B. appointment C. excuse D. order
2. —How long has your brother _____ in the army?
—About five years.
A. taken part B. joined C. served D. attended
3. She looked up his number in the phone book to _____ that she had got it right.
A. make up her mind B. make sure C. make a decision D. make out
