The indefinite article a/an

Choose the article a or an. _ computer

Choose the article a or an. _ yo-yo

Choose the article a or an. _ umbrella

Choose the article a or an. _ bike

Choose the article a or an. _ ant

Choose the article a or an. _ flower

Choose the article a or an. _ iguana

Choose the article a or an. _ lion

Choose the article a or an. _ violet

Choose the article a or an. _ jaguar