Question

2. Complete a sequência, com os números que estão faltando:
a. one -______- three
b.______five - six
c. seven- eight -______
d. ten-______-twelve
e. thirteen-______- fifteen
f.______- seventeen -
g. nineteen-_______.​

Answer 1

a) one - two - three

b) four - five - six

c) seven - eight - nine

d) ten - eleven - twelve

e) thirteen - fourteen - fifteen

f) sixteen - seventeen

g) nineteen - twenty