Fill in the Blanks

Hesitant means 'reluctant', which fits best here.

Precarious means likely to fall or collapse. Hence, it is the correct answer. 

Pristine means having its original purity; uncorrupted or unsullied. 

Behemoth means a large and powerful organisation.

All of the above words indicate a strong scolding. Hence, any of the above is the right answer here.

'Assuage' means 'to satisfy or appease'. Hence, it fits best here.

'Tutelage' means 'instruction; tuition'. Hence, it fits best here.

'Castigate' means 'to punish or rebuke severely'. Hence, it fits best here.

'Temperate' means 'showing moderation or self-restraint'. Hence, it fits best here. 

Possible means able to done or achieved. Other options do not make sense here.

Svelte means attractively thin and elegant, which is a commonly used adjective to describe fashion models. Swank refers to stylish luxury, stylish is a general term, and generous relates to giving.

 'Blithe' means happy and joyful. It best fits the sentence.

'Allay' means 'diminish or put at rest'. Hence, it fits best here.

Scrawny means unattractively thin or bony. In the context of model description, this emphasizes extreme thinness. The other options don't convey the specific meaning of being very thin in a way that fits this vocabulary test.

 Picture by Picasso means a painting by Picasso. Note that 'of' is not avaialble among the options.