Exercise 10a. Fill in each blank with a suitable prep
1. by
2. for
3. on
4. for
5. of
6. with - from
7. at - of
8. without
9. on
10. at
Exercise 10b: Use the correct form
a) 1. task
2. duty
3. course
b) 1. brought up - teach - educate
2. learn - taught - instruct
3. studying - teach - teach