GRAMMAR PRACTICE/P.40-43I. THE VERB (TO BE) IN THE PRESENTEXERCISES

3/ - UNIT 3: LESSON 6: GRAMMAR PRACTICE/40-43
UNIT 3: LESSON 6: GRAMMAR PRACTICE/40-43

3/40:

a) How old .... you ? I .... twelve.

b) .... he eleven ? No, he ...

c) ... they twelve ? No, they ...