Only under _______ circumstances can you bring animals into the restaurant. EXCEPT

The hospitality sector has a negative _______ among some employees, because of the low wages. PERCEIVE

When a leaf or stem is sliced, plants signal distress ____ releasing the gas ethylene over its surface.

The gas molecules are collected in a jar and bombarded with laser beams, _____ makes them vibrate.

Immigrants have _____ Western Europe into a multicultural society. A) TRANSFORMED B) TRANSFERRED C) MODIFIED D) SHIFTED

'Have any of you stayed in the Hotel Belmondo?' asked Kim. // IF // Kim asked _______ stayed in the Hotel Belmondo.

Some fruit needs to be separated from other fruit, so ___ to prolong its freshness.

Lots of people move countries with high hopes for employment, but in many _____, they struggle to find work. A) OCCASIONS B) EXAMPLES C) WAYS D) CASES

'I wish I hadn't told Angela about the row with Miriam,' said Carla. // REGRETTED // Carla ________ about the row with Miriam.

Despite the _____ difficulties they encounter, many foreign workers adapt to their conditions. A) SEVERAL B) HIGH C) NUMEROUS D) HEAVY

There are many career ______ available for young people in technology. OPEN

Scientists have discovered that the _____ a plant is subjected to stress, the louder the signal it emits.