mạo từ a an

____ umbrella

• A

• An

• (no article)

  (trống)

____ universary

• A

• An

• (no article)

  (trống)

____ bus

• A

• An

• (no article)

  (trống)

____ cake

• A

• An

• (no article)

  (trống)

____ apple

• A

• An

• (no article)

  (trống)

____ milk

• A

• An

• (no article)

  (trống)

____ sugar

• A

• An

• (no article)

  (trống)

____ singer

• A

• An

• (no article)

  (trống)

____ health

• A

• An

• (no article)

  (trống)

____ blood

• A

• An

• (no article)

  (trống)