Exercise 1: Circle the correct answer
1.
A/ An cake
aĐiền a hoặc an
3.
A/ An apple
an7.
A/ An desk
a7.
A/ An desk
a9.
A/ An elephant
an
2.
A/ An onion
4.
A/ An pencil
5.
A/ An umbrella
6.
A/ An ruler
