Fill in the gaps in the sentences with the correct article - a, an, the or zero.

1.  I recommend you try ______ tomato soup at this restaurant.

• a
• zero
• the
• an

2. Christmas comes once _____year.

• a
• zero
• the
• an

3.  Hania broke _____ glass when she was washing-up.

• an
• zero
• the
• a