( )-Is that ____apple? -Yes, it is. It's ____big apple. A.a;a B.an;an C.an;a
It often rains __________ in the summer of Nanjing.
There _________ a ruler and some pencils in the pencil-box.
That storybook is very _________. The children are _________ in it.
— Is this your shoe?— Yes, it is, but where is _________?
Can you help my child ______ his science ______ Tuesday mornings?